# One Stop Structual Steel Pipe Solution | Hollow Section&Steel Pipe&Square Pipe Manufacture - Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. > Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd. is the biggest manufacturer of ERW square, rectangular pipe, hollow section pipe, galvanized pipe and spiral welding pipe in China. ### Company Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd ### Description Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd., established in March 2002 and stemmed from the Tianjin Yuantai Industrial and Trading Co., Ltd, is located in the biggest pipes-manufacturing base—Daqiuzhuang industrial zone in Jinghai Tianjin which is close to the China National Highway 104 and 205 and is only 40 km far away from the Tianjin Xingang Port. The excellent geographical location supports the convenience to both inland and outland transportation.   ### Address Daqiuzhuang Industrial Zone Jinghai Tianjin China ### Phone +86-22-58951960 ### Mobile +86-22-58951961 ### Email sales@ytdrgg.com ### Email sales2@ytdrgg.com ### Fax +86-22-58951959 ### WhatsApp +8613682051821 ## Home [Home](https://www.ytdrintl.com/) ## Certificate Number:YTDR-20250322001-ZQ [Certificate Number:YTDR-20250322001-ZQ](https://www.ytdrintl.com/certificate-numberytdr-20250322001-zq/):Certificate Number:YTDR-20250322001-ZQ ## Packaging Quantity [Packaging Quantity](https://www.ytdrintl.com/packaging-quantity/): Number Of Standard Galvanized Pipes For Packaging Size(mm) W.T.(mm) Packaging Quantity Size(mm) W.T.(mm) Packaging Quantity 20*20 All ## Mild steel hollow section [Mild steel hollow section](https://www.ytdrintl.com/mild-steel-hollow-section-yuantai/):Yuantai Derun has prepared the most comprehensive steel hollow section specification table and steel pipe weight table per meter in history for everyone. ## Liveshow [Liveshow](https://www.ytdrintl.com/liveshow/):Welcome to the live broadcast room of Yuantai Derun Steel Pipe Manufacturing Group ## video [video](https://www.ytdrintl.com/video/): round hot dip galvanized steel pipe spiral pipe factory|manufacturer|supplier yuantaiderun GI coil producing process galvanized rec ## Thank You [Thank You](https://www.ytdrintl.com/thank-you/): Thank you for your visit！ We will get you a fast free quote and schedule your job on the day and time that works best for you. ## Brand Story [Brand Story](https://www.ytdrintl.com/brand-story/):Record the development history of yuantai derun group, one of China's top 500 private enterprises ## Project [Project](https://www.ytdrintl.com/project2/):Yuantai Derun Steel Pipe Manufacturing Group provides structural steel hollow sections for over 6000 major and well-known engineering projects worldwide. ## Group Positive Energy [Group Positive Energy](https://www.ytdrintl.com/group-positive-energy/):In recent years, Tianjin Yuantai Derun Steel Pipe Manufacturing Group has actively undertaken social functions, paid attention to and participated in social welfare, and paid attention to the lives of enterprise employees. It has actively participated in a large number of public welfare events, promoted the main theme, spread positive energy, and actively guided the audience of the entire factory to have a positive energy atmosphere of civilization, scientific life, and being cautious of being deceived. ## Fast Service [Fast Service](https://www.ytdrintl.com/fast-service/):The fastest response service for global steel pipe and steel purchasers is 2 hours. ## Product Testing [Product Testing](https://www.ytdrintl.com/product-testing/):In order to ensure that every steel pipe delivered to customers is a qualified product, Yuantai Derun Steel Pipe Manufacturing Group attaches great importance to the quality inspection of steel pipes. ## Process Control [Process Control](https://www.ytdrintl.com/process-control/):At Yuantai Derun, in order to produce steel pipes that satisfy every customer, Yuantai people work hard in every important position of steel pipe production and steel testing, just to let you buy a reliable steel pipe. ## RAW MATERIAL GUARANTEE [RAW MATERIAL GUARANTEE](https://www.ytdrintl.com/raw-material-guarantee/):Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd., as a national single champion demonstration enterprise in the manufacturing industry, its main product, square tube, not only increases the added value of the product, but also focuses on the quality of raw materials and steel pipes to create brand benefits. ## FAQ [FAQ](https://www.ytdrintl.com/faq/):Here are some common questions that Yuantai Derun often asks for global steel pipe and steel purchasers ## Price Information [Price Information](https://www.ytdrintl.com/price-information/):Yuantai Derun Steel Pipe Group steel hollow section price ## Human Resources [Human Resources](https://www.ytdrintl.com/human-resources/):Yuantai Derun Steel Pipe Manufacturing Group is recruiting steel pipe talents and regional distributors globally. ## Corporate Culture [Corporate Culture](https://www.ytdrintl.com/orporate-culture/):Provide excellent products for steel pipe users ## Programs For Public Good [Programs For Public Good](https://www.ytdrintl.com/programs-for-public-good/):Yuantai Derun has put social responsibility for many years ## Development History [Development History](https://www.ytdrintl.com/development-history/):Record the development history of yuantai derun group, one of China's top 500 private enterprises ## Qualification Honor [Qualification Honor](https://www.ytdrintl.com/qualification-honor/):The steel pipe products of Yuantai Derun Steel Pipe Manufacturing Group have passed qualification certifications such as European, American, Australian, Japanese, and Korean standards. At the same time, we also undertake the customization and production of non-standard steel pipe products for a win-win situation. ## Organizational structure [Organizational structure](https://www.ytdrintl.com/organizational-structure/): Tianjin Yuantai Derun Group has 19 wholly-owned subsidiaries under its jurisdiction: Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd., ## Manufacturing base-Yuantai Derun Steel Pipe Group [Manufacturing base-Yuantai Derun Steel Pipe Group](https://www.ytdrintl.com/manufacturing-base-yuantai-derun-steel-pipe-group/):The manufacturing bases under Tianjin Yuantai Derun Steel Pipe Manufacturing Group are concentrated in two major bases: Tianjin and Tangshan. ## Group Introduction [Group Introduction](https://www.ytdrintl.com/group-introduction/):Yuantai Derun is the largest manufacturer of steel hollow sections in China, with 12 factories, 76 production lines, 80 national patents related to structural steel pipes, more than 6000 international major projects, and products covering more than 150 countries and regions. ## CONVERSION TABLES [CONVERSION TABLES](https://www.ytdrintl.com/conversion-tables/):At Yuantai Derun it doesn’t matter if you need non-standard sizes or you have an unusual request. With our expertise and range of stock, we can meet all your structural steel hollow section requirements. ## Complaint mailbox-Yuantai Derun Steel Pipe Group [Complaint mailbox-Yuantai Derun Steel Pipe Group](https://www.ytdrintl.com/about-us/complaint-mailbox-yuantai-derun-steel-pipe-group/):This is the complaint email of Yuantai Derun Steel Pipe Manufacturing Group. We welcome all dealers, agents, and end users to send us your suggestions and shortcomings regarding Yuantai Derun's steel hollow sections. We will do our best to solve the problem for you. This letter goes directly to the general manager. ## Quality Control [Quality Control](https://www.ytdrintl.com/quality-control/):In order to control the quality of steel pipes, Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. has established its own product laboratory to ensure that every steel pipe leaving the factory is a qualified product. ## Customers & Projects [Customers & Projects](https://www.ytdrintl.com/customers-projects/): Yuantai Derun square steel pipe Application, Square and Rectangular tube, Galvanized square and rectangular steel tube, galvanized round steel tube,hot-dipped galvanized steel pipe, erw steel pipe. ## The enterprise Culture [The enterprise Culture ](https://www.ytdrintl.com/about-us/culture/):Provide excellent products for global steel pipe users ## VR FACTORY TOUR [VR FACTORY TOUR](https://www.ytdrintl.com/vr-factory-tour/):To provide you with a more intuitive and comprehensive understanding of the Yuantai Derun factory and workshop ## Company introduction [Company introduction](https://www.ytdrintl.com/about-us/):The largest square rectangular steel pipe manufacturing group in China, one of the top 500 manufacturing companies in China, one of the top 500 private enterprises in China, and a national champion in the manufacturing industry ## Hot Tags [Hot Tags](https://www.ytdrintl.com/tags/):Hot Tags ## Contact Us [Contact Us](https://www.ytdrintl.com/contact-us/):Make unremitting efforts to become a global comprehensive manufacturer of structural steel pipes. ## Cold Rolled Coil [Cold Rolled Coil](https://www.ytdrintl.com/cold-rolled-coil/) ## ERW WELDED PIPE [ERW WELDED PIPE](https://www.ytdrintl.com/welded-steel-pipe/) ## Featured [Featured](https://www.ytdrintl.com/featured/) ## Featured Products [Featured Products](https://www.ytdrintl.com/featured-products/) ## Galvanized Coil [Galvanized Coil](https://www.ytdrintl.com/galvanized-coil/) ## GALVANIZED PIPE [GALVANIZED PIPE](https://www.ytdrintl.com/galvanized-pipe/) ## Gi COIL [Gi COIL](https://www.ytdrintl.com/gi-coil/) ## Hot Rolled Coil [Hot Rolled Coil](https://www.ytdrintl.com/hot-rolled-coil/) ## LINE PIPE&OCTG [LINE PIPE&OCTG](https://www.ytdrintl.com/line-pipeoctg/) ## LSAW PIPE [LSAW PIPE](https://www.ytdrintl.com/lsaw-pipe/) ## OTHER STEEL PRODUCTS [OTHER STEEL PRODUCTS](https://www.ytdrintl.com/other-steel-products/) ## PPGi COIL [PPGi COIL](https://www.ytdrintl.com/ppgi-coil/) ## Pre-GI coil [Pre-GI coil](https://www.ytdrintl.com/pre-gi-coil/) ## PRODUCTS [PRODUCTS](https://www.ytdrintl.com/products/) ## SEAMLESS PIPE [SEAMLESS PIPE](https://www.ytdrintl.com/seamless-pipe-products-categories/) ## SHIP BUILDING STEEL PIPE [SHIP BUILDING STEEL PIPE](https://www.ytdrintl.com/ship-building-steel-pipe/) ## SPECIAL SHAPED STEEL PIPE [SPECIAL SHAPED STEEL PIPE](https://www.ytdrintl.com/special-shaped-steel-pipe/) ## SPIRAL TUBE [SPIRAL TUBE](https://www.ytdrintl.com/spiral-steel-tube/) ## SQUARE&RECTANGULAR STEEL HOLLOW SECTION [SQUARE&RECTANGULAR STEEL HOLLOW SECTION](https://www.ytdrintl.com/square-rectangular-mild-steel-hollow-section/) ## STAINLESS STEEL TUBE/COIL [STAINLESS STEEL TUBE/COIL](https://www.ytdrintl.com/stainless-steel-tube-coil/) ## Steel Coil [Steel Coil](https://www.ytdrintl.com/steel-coil/) ## ZINC ALUMINUM MAGNESIUM COATED STEEL COIL [ZINC ALUMINUM MAGNESIUM COATED STEEL COIL](https://www.ytdrintl.com/zinc-aluminum-magnesium-coated-steel-coil/) ## ZINC ALUMINUM MAGNESIUM STEEL PIPE [ZINC ALUMINUM MAGNESIUM STEEL PIPE](https://www.ytdrintl.com/zma-steel-pipe-2/) ## Large square rectangular tube (round to square) [Large square rectangular tube (round to square)](https://www.ytdrintl.com/large-square-rectangular-tube-round-to-square.html):As we all know, box column is widely used in large steel structure buildings at home and abroad, and it has been popularized for many years abroad. 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Galvanizing square pipe factory price made in China [Galvanizing square pipe factory price made in China](https://www.ytdrintl.com/galvanizing-square-pipe-factory-price-made-in-china.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH5S hot dipped galvanized square steel pipes [SCH5S hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch5s-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH10S hot dipped galvanized square steel pipes [ SCH10S hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch10s-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH40S hot dipped galvanized square steel pipes [SCH40S hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch40s-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH80S hot dipped galvanized square steel pipes [SCH80S hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch80s-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH20 hot dipped galvanized square steel pipes [SCH20 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch20-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH30 hot dipped galvanized square steel pipes [SCH30 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch30-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH60hot dipped galvanized square steel pipes [SCH60hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch60-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH80 hot dipped galvanized square steel pipes [SCH80 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch80-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH100 hot dipped galvanized square steel pipes [SCH100 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch100-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH120 hot dipped galvanized square steel pipes [SCH120 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch120-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCH140 hot dipped galvanized square steel pipes [SCH140 hot dipped galvanized square steel pipes](https://www.ytdrintl.com/sch140-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## XS hot dipped galvanized square steel pipes [XS hot dipped galvanized square steel pipes](https://www.ytdrintl.com/xs-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## XXS hot dipped galvanized square steel pipes [XXS hot dipped galvanized square steel pipes](https://www.ytdrintl.com/xxs-hot-dipped-galvanized-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Competitive price ms astm a53 galvanized square steel tube [Competitive price ms astm a53 galvanized square steel tube](https://www.ytdrintl.com/competitive-price-ms-astm-a53-galvanized-square-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 150x150 gi steel square pipe with high quality [150x150 gi steel square pipe with high quality](https://www.ytdrintl.com/150x150-gi-steel-square-pipe-with-high-quality.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Galvanized square steel tube 100mm*100mm [Galvanized square steel tube 100mm*100mm](https://www.ytdrintl.com/galvanized-square-steel-tube-100mm100mm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## A500 200x200 mm galvanized square steel pipe [A500 200x200 mm galvanized square steel pipe](https://www.ytdrintl.com/a500-200x200-mm-galvanized-square-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## welded square galvanized steel pipe with CE certification [welded square galvanized steel pipe with CE certification](https://www.ytdrintl.com/welded-square-galvanized-steel-pipe-with-ce-certification.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## astm a500 grade b black square steel pipe [astm a500 grade b black square steel pipe](https://www.ytdrintl.com/astm-a500-grade-b-black-square-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## galvanized hollow structural sections [galvanized hollow structural sections](https://www.ytdrintl.com/galvanized-hollow-structural-sections.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## BS EN10219 RECTANGULAR IRON PIPE [BS EN10219 RECTANGULAR IRON PIPE](https://www.ytdrintl.com/bs-en10219-rectangular-iron-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## YuantaiDerun q235 black square steel pipe for construction [YuantaiDerun q235 black square steel pipe for construction](https://www.ytdrintl.com/yuantaiderun-q235-black-square-steel-pipe-for-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## erw carbon steel hot dipped galvanize rectangular steel pipe [erw carbon steel hot dipped galvanize rectangular steel pipe](https://www.ytdrintl.com/erw-carbon-steel-hot-dipped-galvanize-rectangular-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## DIAMETER 50*50MM GALVANIZED SQUARE STEEL PIPE [DIAMETER 50*50MM GALVANIZED SQUARE STEEL PIPE](https://www.ytdrintl.com/diameter-5050mm-galvanized-square-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Rectanuglar hollow section mild steel square pipe [Rectanuglar hollow section mild steel square pipe](https://www.ytdrintl.com/rectanuglar-hollow-section-mild-steel-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Astm A500 150x150 steel square pipe [Astm A500 150x150 steel square pipe](https://www.ytdrintl.com/astm-a500-150x150-steel-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## BS1387 ERW CONSTRUCTION GALVANIZED RECTANGULAR STEEL PIPE [BS1387 ERW CONSTRUCTION GALVANIZED RECTANGULAR STEEL PIPE](https://www.ytdrintl.com/bs1387-erw-construction-galvanized-rectangular-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Q235B 100*100MM MILD STEEL WELDING SQUARE PIPE [Q235B 100*100MM MILD STEEL WELDING SQUARE PIPE](https://www.ytdrintl.com/q235b-100100mm-mild-steel-welding-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 40x40 BLACK STEEL MS SQUARE PIPE [40x40 BLACK STEEL MS SQUARE PIPE](https://www.ytdrintl.com/40x40-black-steel-ms-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## HIGH QUALITY MILD SQUARE STEEL PIPE PRICE [HIGH QUALITY MILD SQUARE STEEL PIPE PRICE](https://www.ytdrintl.com/high-quality-mild-square-steel-pipe-price.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## MILD STEEL HOT DIPPED GALVANIZED RECTANGULAR TUBE [MILD STEEL HOT DIPPED GALVANIZED RECTANGULAR TUBE](https://www.ytdrintl.com/mild-steel-hot-dipped-galvanized-rectangular-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Galvanized CARBON STEEL WELDED SQUARE STEEL PIPES YuantaiDerun [Galvanized CARBON STEEL WELDED SQUARE STEEL PIPES YuantaiDerun](https://www.ytdrintl.com/black-carbon-steel-welded-square-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## CHEAP GALVANIZED SQUARE HOLLOW SECTION [CHEAP GALVANIZED SQUARE HOLLOW SECTION](https://www.ytdrintl.com/cheap-galvanized-square-hollow-section.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Small diameter carbon steel hollow section rectangular pipe [Small diameter carbon steel hollow section rectangular pipe](https://www.ytdrintl.com/small-diameter-carbon-steel-hollow-section-rectangular-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## HOLLOW RECTANGULAR GALVANIZED STEEL PIPE FENCING [HOLLOW RECTANGULAR GALVANIZED STEEL PIPE FENCING](https://www.ytdrintl.com/hollow-rectangular-galvanized-steel-pipe-fencing.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## China hollow section YuantaiDerun [China hollow section YuantaiDerun](https://www.ytdrintl.com/china-hollow-section-yuantaiderun.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## square howllow section of mild steel YuantaiDerun [square howllow section of mild steel YuantaiDerun](https://www.ytdrintl.com/square-howllow-section-of-mild-steel-yuantaiderun.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Raw material q235 welded mild square steel pipe [Raw material q235 welded mild square steel pipe](https://www.ytdrintl.com/raw-material-q235-welded-mild-square-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 200x200 mild steel square hollow section pipe [200x200 mild steel square hollow section pipe](https://www.ytdrintl.com/200x200-mild-steel-square-hollow-section-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Q235 GR.B ms black rectangular and square steel pipe [Q235 GR.B ms black rectangular and square steel pipe](https://www.ytdrintl.com/q235-gr-b-ms-black-rectangular-and-square-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 100x100 ASTM A501 square galvanized mild steel hollow sections [100x100 ASTM A501 square galvanized mild steel hollow sections](https://www.ytdrintl.com/100x100-astm-a501-square-galvanized-mild-steel-hollow-sections.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 75x75 gate designs square pipe [75x75 gate designs square pipe](https://www.ytdrintl.com/75x75-gate-designs-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ODM 40x40 steel square pipe YuantaiDerun [ODM 40x40 steel square pipe YuantaiDerun](https://www.ytdrintl.com/odm-40x40-steel-square-pipe-yuantaiderun.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Manufacturer ERW Galvanized Steel Hollow Square Tube [Manufacturer ERW Galvanized Steel Hollow Square Tube](https://www.ytdrintl.com/manufacturer-erw-galvanized-steel-hollow-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Zinc 60g -275g galvanized steel coils roofing materials [Zinc 60g -275g galvanized steel coils roofing materials](https://www.ytdrintl.com/zinc-60g-275g-galvanized-steel-coils-roofing-materials.html):Advantage: 1.Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produc ## PPGI/prepainted galvanized steel coil/sheet metal roofing rolls [PPGI/prepainted galvanized steel coil/sheet metal roofing rolls](https://www.ytdrintl.com/ppgiprepainted-galvanized-steel-coilsheet-metal-roofing-rolls.html):Advantage: 1.Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produc ## Z275 Color Coated PPGI/PPGL Steel Coil/Corrugated Metal Roofing Sheets [Z275 Color Coated PPGI/PPGL Steel Coil/Corrugated Metal Roofing Sheets](https://www.ytdrintl.com/z275-color-coated-ppgippgl-steel-coilcorrugated-metal-roofing-sheets.html):Advantage: 1.Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produc ## prepainted galvanized steel coil 0.13mmx1250mm [prepainted galvanized steel coil 0.13mmx1250mm](https://www.ytdrintl.com/prepainted-galvanized-steel-coil-0-13mmx1250mm.html):    If you are interested in Hot Steel Coil Carbon Steel Sheet Metal , we will supply you with the best price based on the highest qualit ## 0.7 mm thick aluminum zinc roofing sheet pre painted galvanized steel coil [0.7 mm thick aluminum zinc roofing sheet pre painted galvanized steel coil](https://www.ytdrintl.com/0-7-mm-thick-aluminum-zinc-roofing-sheet-pre-painted-galvanized-steel-coil.html):    If you are interested in Hot Steel Coil Carbon Steel Sheet Metal , we will supply you with the best price based on the highest qualit ## Galvanized sheet metal prices/Galvanized steel coil Z275 [Galvanized sheet metal prices/Galvanized steel coil Z275](https://www.ytdrintl.com/galvanized-sheet-metal-pricesgalvanized-steel-coil-z275.html):If you are interested in Hot Steel Coil Carbon Steel Sheet Metal , we will supply you with the best price based on the highest quality, welcome every ## prepainted galvanized steel coil 0.13mmx1250mm [prepainted galvanized steel coil 0.13mmx1250mm](https://www.ytdrintl.com/prepainted-galvanized-steel-coil-0-13mmx1250mm-2.html):If you are interested in Hot Steel Coil Carbon Steel Sheet Metal , we will supply you with the best price based on the highest quality, welcome every ## Stainless Steel Seamless Pipe [Stainless Steel Seamless Pipe](https://www.ytdrintl.com/stainless-steel-seamless-pipe.html): Name Stainless steel pipe,201stainless steel,304 stainless steel,316 stainless steel Certificate SGS,ISO,BV Surface 2B,BA(bright annealed) N ## 316L Stainless Steel Seamless Pipe [316L Stainless Steel Seamless Pipe](https://www.ytdrintl.com/316l-stainless-steel-seamless-pipe.html): Name Stainless steel pipe,201stainless steel,304 stainless steel,316 stainless steel Certificate SGS,ISO,BV Surface 2B,BA(bright annea ## Customized 304 316ti Stainless Steel Seamless Pipe [Customized 304 316ti Stainless Steel Seamless Pipe](https://www.ytdrintl.com/customized-304-316ti-stainless-steel-seamless-pipe.html): Name Stainless steel pipe,201stainless steel,304 stainless steel,316 stainless steel Certificate SGS,ISO,BV Surface 2B,BA(bright annea ## Large diameter seamless steel pipe [Large diameter seamless steel pipe](https://www.ytdrintl.com/large-diameter-seamless-steel-pipe.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## Stock ST52 hollow bar with high wall thickness seamless steel pipe [Stock ST52 hollow bar with high wall thickness seamless steel pipe](https://www.ytdrintl.com/stock-st52-hollow-bar-with-high-wall-thickness-seamless-steel-pipe.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## Spiral pipe manufacturer [Spiral pipe manufacturer](https://www.ytdrintl.com/spiral-pipe-manufacturer.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Spiral pipe YuantaiDerun [Spiral pipe YuantaiDerun](https://www.ytdrintl.com/spiral-pipe-yuantaiderun.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Spiral pipe factory [ Spiral pipe factory](https://www.ytdrintl.com/spiral-pipe-factory.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Large Diameter Concrete SSAW pipe for oil and gas [Large Diameter Concrete SSAW pipe for oil and gas](https://www.ytdrintl.com/large-diameter-concrete-ssaw-pipe-for-oil-and-gas.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Large Diameter 48 Inch Spiral Welded Steel Pipe/ Electric Penstock Pipe [Large Diameter 48 Inch Spiral Welded Steel Pipe/ Electric Penstock Pipe](https://www.ytdrintl.com/large-diameter-48-inch-spiral-welded-steel-pipe-electric-penstock-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## building material black carbon iron rectangular tube [building material black carbon iron rectangular tube](https://www.ytdrintl.com/building-material-black-carbon-iron-square-pipe-rectangular-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## hot dipped galvanized hollow square and rectangular steel tube [hot dipped galvanized hollow square and rectangular steel tube](https://www.ytdrintl.com/hot-dipped-galvanized-hollow-square-and-rectangular-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ASTM A500 welded square/rectangular steel pipe price alibaba [ASTM A500 welded square/rectangular steel pipe price alibaba](https://www.ytdrintl.com/astm-a500-welded-squarerectangular-steel-pipe-price-alibaba.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Square Hollow Tube 1inch x 1 inch [Square Hollow Tube 1inch x 1 inch](https://www.ytdrintl.com/square-hollow-tube-1inch-x-1-inch.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 4 inch thin wall galvanized square steel tube [ 4 inch thin wall galvanized square steel tube](https://www.ytdrintl.com/4-inch-thin-wall-galvanized-square-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 3/4" x 3/4" x .049 Galvanized Square Tube [3/4" x 3/4" x .049 Galvanized Square Tube](https://www.ytdrintl.com/galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 3/4" x 3/4" x .065 Galvanized Square Tube [3/4" x 3/4" x .065 Galvanized Square Tube](https://www.ytdrintl.com/34-x-34-x-065-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 3/4" x 3/4" x .075 Galvanized Square Tube [3/4" x 3/4" x .075 Galvanized Square Tube](https://www.ytdrintl.com/34-x-34-x-075-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1" x 1" x .049 Galvanized Square Tube [1" x 1" x .049 Galvanized Square Tube](https://www.ytdrintl.com/1-x-1-x-049-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1" x 1" x .065 Galvanized Square Tube [1" x 1" x .065 Galvanized Square Tube](https://www.ytdrintl.com/1-x-1-x-065-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1-1/4" x 1-1/4" x .065 Galvanized Square Tube [1-1/4" x 1-1/4" x .065 Galvanized Square Tube ](https://www.ytdrintl.com/1-14-x-1-14-x-065-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1-1/2" x 1-1/2" x .065 Galvanized Square Tube [1-1/2" x 1-1/2" x .065 Galvanized Square Tube](https://www.ytdrintl.com/1-12-x-1-12-x-065-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1-1/2" x 1-1/2" x .120 Galvanized Square Tube [1-1/2" x 1-1/2" x .120 Galvanized Square Tube ](https://www.ytdrintl.com/1-12-x-1-12-x-120-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1-1/2" x 1-1/2" x .075 Galvanized Square Tube [1-1/2" x 1-1/2" x .075 Galvanized Square Tube](https://www.ytdrintl.com/1-12-x-1-12-x-075-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1-3/4" x 1-3/4" x .065 Galvanized decorative square tubes [1-3/4" x 1-3/4" x .065 Galvanized decorative square tubes](https://www.ytdrintl.com/1-34-x-1-34-x-065-galvanized-decorative-square-tubes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Yuantai derun brand galvanized square tubing for carports [Yuantai derun brand galvanized square tubing for carports](https://www.ytdrintl.com/yuantai-derun-brand-galvanized-square-tubing-for-carports.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2" x 2" x .075 Galvanized Square Tube [2" x 2" x .075 Galvanized Square Tube](https://www.ytdrintl.com/2-x-2-x-075-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2" x 2" x .083 Galvanized Square Tube [2" x 2" x .083 Galvanized Square Tube](https://www.ytdrintl.com/2-x-2-x-083-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2" x 2" x .120 Galvanized Square Tube [2" x 2" x .120 Galvanized Square Tube](https://www.ytdrintl.com/2-x-2-x-120-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2-12 x 2-12 x .083 Galvanized Square Tube [2-12 x 2-12 x .083 Galvanized Square Tube](https://www.ytdrintl.com/2-12-x-2-12-x-083-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2-1/2" x 2-1/2" x .120 Galvanized Square Tube [2-1/2" x 2-1/2" x .120 Galvanized Square Tube](https://www.ytdrintl.com/2-12-x-2-12-x-120-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 3 x 3 x .083 Galvanized Square Tube [3 x 3 x .083 Galvanized Square Tube](https://www.ytdrintl.com/3-x-3-x-083-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 3" x 3" x .095 Galvanized Square Tube [3" x 3" x .095 Galvanized Square Tube](https://www.ytdrintl.com/3-x-3-x-095-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 4" x 4" x .083 Galvanized Square Tube [4" x 4" x .083 Galvanized Square Tube](https://www.ytdrintl.com/4-x-4-x-083-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2"X 2"X .250" Wall Steel Square Tube 12" Piece [2"X 2"X .250" Wall Steel Square Tube 12" Piece](https://www.ytdrintl.com/2x-2x-250-wall-steel-square-tube-12-piece.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 6" x 6" x .250 Galvanized Square Tube [6" x 6" x .250 Galvanized Square Tube](https://www.ytdrintl.com/6-x-6-x-250-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Unpolished (ground) steel rectangular tube-5.08 x 7.62 x 0.20 cm-8 feet long [Unpolished (ground) steel rectangular tube-5.08 x 7.62 x 0.20 cm-8 feet long](https://www.ytdrintl.com/steel-rectangular-tubing-2x-3-x-316-x-84.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## EN10210 EN10219 thick wall big dimensionrectangular and square steel tube - 90mm*90mm*2.0mm [EN10210 EN10219 thick wall big dimensionrectangular and square steel tube - 90mm*90mm*2.0mm](https://www.ytdrintl.com/en10210-en10219-thick-wall-big-dimensionrectangular-and-square-steel-tube-90mm90mm2-0mm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## EN10210 EN10219 Rectangle Tube [EN10210 EN10219 Rectangle Tube](https://www.ytdrintl.com/en10210-en10219-rectangle-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Cold Rolled Rectangular Pipes [Cold Rolled Rectangular Pipes](https://www.ytdrintl.com/cold-rolled-rectangular-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized steel pipe 3-12M [Hot dip galvanized steel pipe 3-12M](https://www.ytdrintl.com/hot-dip-galvanized-steel-pipe-3-12m.html):Committed to providing excellent products and services for users of galvanized pipe，welcome everyone Remote connection and field investigation，ou ## Cold Rolled Galvanized Pipe [Cold Rolled Galvanized Pipe](https://www.ytdrintl.com/cold-rolled-galvanized-pipe.html):Committed to providing excellent products and services for users of galvanized pipe，welcome everyone Remote connection and field investigation，ou ## Galvanized Iron Pipe [Galvanized Iron Pipe](https://www.ytdrintl.com/galvanized-iron-pipe.html):Committed to providing excellent products and services for users of galvanized pipe，welcome everyone Remote connection and field investigation，ou ## MS Round Pipes [MS Round Pipes](https://www.ytdrintl.com/ms-round-pipes.html):Committed to providing excellent products and services for users of  ERW pipe，welcome everyone Remote connection and field investigation，our ema ## Stainless Steel Rectangular Pipe [Stainless Steel Rectangular Pipe](https://www.ytdrintl.com/stainless-steel-rectangular-pipe.html):Committed to providing excellent products and services for users of galvanized pipe，welcome everyone Remote connection and field investigation，ou ## ERW Black Steel Pipes [ERW Black Steel Pipes](https://www.ytdrintl.com/erw-black-steel-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Mild Steel ERW Pipes 50mm round steel tube [Mild Steel ERW Pipes 50mm round steel tube](https://www.ytdrintl.com/mild-steel-erw-pipes-50mm-round-steel-tube.html):Our customers and market distribution Southeast Asia, the Middle East, South America, Europe and the United States, Japan and South Korea and other re ## EN10210 EN10219 MS Black Pipe erw steel pipe [EN10210 EN10219 MS Black Pipe erw steel pipe](https://www.ytdrintl.com/ms-black-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Cold Rolled Round Pipes [Cold Rolled Round Pipes](https://www.ytdrintl.com/cold-rolled-round-pipes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 1" x 1" .120 Carbon Steel Square Tube [1" x 1" .120 Carbon Steel Square Tube](https://www.ytdrintl.com/1-x-1-120-carbon-steel-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Iron MS Round Hollow Pipe [Iron MS Round Hollow Pipe](https://www.ytdrintl.com/iron-ms-round-hollow-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## YuantaiDerun Structural hollow sections [YuantaiDerun Structural hollow sections](https://www.ytdrintl.com/yuantaiderun-structural-hollow-sections.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ERW Hollow Section from China [ERW Hollow Section from China](https://www.ytdrintl.com/erw-hollow-section-from-china.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## MS-Square-Pipe-Thickness--3-6mm [MS-Square-Pipe-Thickness--3-6mm](https://www.ytdrintl.com/ms-square-pipe-thickness-3-6-mm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Black MS-Square-Pipe-Thickness--3-6mm [Black MS-Square-Pipe-Thickness--3-6mm](https://www.ytdrintl.com/black-ms-square-pipe-thickness-3-6mm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ASTM A36 hot rolled carbon steel square tube [ASTM A36 hot rolled carbon steel square tube](https://www.ytdrintl.com/astm-a36-hot-rolled-carbon-steel-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Black Carbon Square Tube Sizes [Black Carbon Square Tube Sizes](https://www.ytdrintl.com/black-carbon-square-tube-sizes.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 2 inch OD square steel tubing supplier [2 inch OD square steel tubing supplier](https://www.ytdrintl.com/2-inch-od-square-steel-tubing-supplier.html):With an annual output of 8 million tons, Yuantai Derun is the largest square steel tubing, rectangular steel tubing, hollow tubing, galvanized tubing, ## Manufacturers ERW materials construction black steel pipe [Manufacturers ERW materials construction black steel pipe](https://www.ytdrintl.com/manufacturers-erw-materials-construction-black-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Black Welded Steel Pipes Chinese Factory line pipe manufacturer [Black Welded Steel Pipes Chinese Factory line pipe manufacturer](https://www.ytdrintl.com/black-welded-steel-pipes-chinese-factory-line-pipe-manufacturer.html): With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral wel ## High corrosion protection hot rolled black carbon welded steel round pipe [High corrosion protection hot rolled black carbon welded steel round pipe](https://www.ytdrintl.com/high-corrosion-protection-hot-rolled-black-carbon-welded-steel-round-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## API 5L ASTM A53 ASTM A106 Seamless Carbon Steel Pipe [API 5L ASTM A53 ASTM A106 Seamless Carbon Steel Pipe](https://www.ytdrintl.com/api-5l-astm-a53-astm-a106-seamless-carbon-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## high Quality Api Astm Asme Seamless Steel Pipe With Iso 9001 [high Quality Api Astm Asme Seamless Steel Pipe With Iso 9001](https://www.ytdrintl.com/high-quality-api-astm-asme-seamless-steel-pipe-with-iso-9001.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## STBA20-STBA26 Grade Seamless Steel Pipes Manufacturers [STBA20-STBA26 Grade Seamless Steel Pipes Manufacturers](https://www.ytdrintl.com/stba20-stba26-grade-seamless-steel-pipes-manufacturers.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## BS EN10219 Standard Seamless Stainless Steel Tubing [BS EN10219 Standard Seamless Stainless Steel Tubing](https://www.ytdrintl.com/bs-en10219-standard-seamless-stainless-steel-tubing.html):Committed to providing excellent products and services for users of galvanized pipe，welcome everyone Remote connection and field investigation，ou ## Galvanized Cold Rolled Q235 Carbon Steel Coil suppliers [Galvanized Cold Rolled Q235 Carbon Steel Coil suppliers](https://www.ytdrintl.com/galvanized-cold-rolled-q235-carbon-steel-coil-suppliers.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Construction material high quality hot dipped galvanized steel coils z275 [Construction material high quality hot dipped galvanized steel coils z275](https://www.ytdrintl.com/construction-material-high-quality-hot-dipped-galvanized-steel-coils-z275.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 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Big O.D. 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long spiral welded steel pipe [long spiral welded steel pipe](https://www.ytdrintl.com/long-spiral-welded-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Circular Hollow Sections for constraction YuantaiDerun [Circular Hollow Sections for constraction YuantaiDerun](https://www.ytdrintl.com/circular-hollow-sections-for-constraction-yuantaiderun.html): Tianjin Yuantai Derun is a famous ERW steel pipe factory in China ERW Circular Hollow Section standard specification：   out diamete ## schedule 40 black erw carbon steel pipe for construction 6 Meter [schedule 40 black erw carbon steel pipe for construction 6 Meter](https://www.ytdrintl.com/schedule-40-black-erw-carbon-steel-pipe-for-construction-6-meter.html): Tianjin Yuantai Derun is a famous ERW steel tube factory in China ERW materials construction steel pipe standard specification：   o ## ASTM A53 GR.B welded carbon erw steel pipe for construction [ASTM A53 GR.B welded carbon erw steel pipe for construction](https://www.ytdrintl.com/astm-a53-gr-b-welded-carbon-erw-steel-pipe-for-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## erw carbon steel pipe sch 40 for oli and gas from Tianjin factory [erw carbon steel pipe sch 40 for oli and gas from Tianjin factory](https://www.ytdrintl.com/erw-carbon-steel-pipe-sch-40-for-oli-and-gas-from-tianjin-factory.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## good quality round welded steel pipe for construction [good quality round welded steel pipe for construction](https://www.ytdrintl.com/good-quality-round-welded-steel-pipe-for-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## SCHEDULE 40 ASTM A36 CARBON STEEL PIPE [SCHEDULE 40 ASTM A36 CARBON STEEL PIPE](https://www.ytdrintl.com/schedule-40-astm-a36-carbon-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Metal Tube from Tianjin YuantaiDerun Factory [Metal Tube from Tianjin YuantaiDerun Factory](https://www.ytdrintl.com/metal-tube-from-tianjin-yuantaiderun-factory.html): Tianjin Yuantai Derun is a famous ERW steel tube factory in China ERW materials construction steel pipe standard specification：   o ## Black Iron Pipe Specifications with 1/2 inch to 10 inch and Thickness 0.8mm to 16mm [Black Iron Pipe Specifications with 1/2 inch to 10 inch and Thickness 0.8mm to 16mm](https://www.ytdrintl.com/black-iron-pipe-specifications-with-12-inch-to-10-inch-and-thickness-0-8mm-to-16mm.html):Tianjin Yuantai Derun is a famous ERW steel tube factory in China ERW materials construction steel pipe standard specification：   out di ## Low price wholesale custom ASTM a53 grade b pipe for oilfield equipment [Low price wholesale custom ASTM a53 grade b pipe for oilfield equipment](https://www.ytdrintl.com/low-price-wholesale-custom-astm-a53-grade-b-pipe-for-oilfield-equipment.html):ERW materials construction steel pipe standard specification： out diameter Wall thickness Length Inch mm mm meter 1/2 21.3 ## Hot dip galvanized welded steel tubes for low pressure fluid transport [Hot dip galvanized welded steel tubes for low pressure fluid transport](https://www.ytdrintl.com/hot-dip-galvanized-welded-steel-tubes-for-low-pressure-fluid-transport.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized welded steel pipes for indoor stadium [Hot dip galvanized welded steel pipes for indoor stadium](https://www.ytdrintl.com/hot-dip-galvanized-welded-steel-pipes-for-indoor-stadium.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized welded steel pipes for mechanical construction [Hot dip galvanized welded steel pipes for mechanical construction](https://www.ytdrintl.com/hot-dip-galvanized-welded-steel-pipes-for-mechanical-construction-2.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for mechanical structure [Hot dip galvanized square tube for mechanical structure](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-mechanical-structure.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for building structure [Hot dip galvanized square tube for building structure](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-building-structure.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for briage [Hot dip galvanized square tube for briage](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-briage.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for airport [Hot dip galvanized square tube for airport](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-airport.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for sports hall [Hot dip galvanized square tube for sports hall](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-sports-hall.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for high speed use [Hot dip galvanized square pipe for high speed use](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-high-speed-use.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for gymnasium [Hot dip galvanized square pipe for gymnasium](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-gymnasium.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for road construction [Hot dip galvanized square pipe for road construction](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-road-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for photovoltaic project [Hot dip galvanized square pipe for photovoltaic project](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-photovoltaic-project.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for large venues [Hot dip galvanized square pipe for large venues](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-large-venues.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square tube for shipbuilding [Hot dip galvanized square tube for shipbuilding](https://www.ytdrintl.com/hot-dip-galvanized-square-tube-for-shipbuilding.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for tower crane manufacture [Hot dip galvanized square pipe for tower crane manufacture](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-tower-crane-manufacture.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for automobile manufacture [Hot dip galvanized square pipe for automobile manufacture](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-automobile-manufacture.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for prefabricated steel construction [Hot dip galvanized square pipe for prefabricated steel construction](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-prefabricated-steel-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized square pipe for glass curtain wall works [Hot dip galvanized square pipe for glass curtain wall works](https://www.ytdrintl.com/hot-dip-galvanized-square-pipe-for-glass-curtain-wall-works.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 8-inch carbon steel pipe for building construction [8-inch carbon steel pipe for building construction](https://www.ytdrintl.com/8-inch-carbon-steel-pipe-for-building-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for building assembly [Hot dip galvanized round pipe for building assembly](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-building-assembly.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipes for Bridges [Hot dip galvanized round pipes for Bridges](https://www.ytdrintl.com/hot-dip-galvanized-round-pipes-for-bridges.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipes for mechanical construction [Hot dip galvanized round pipes for mechanical construction](https://www.ytdrintl.com/hot-dip-galvanized-round-pipes-for-mechanical-construction.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## High speed hot dip galvanized round pipe [High speed hot dip galvanized round pipe](https://www.ytdrintl.com/high-speed-hot-dip-galvanized-round-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for large venues [Hot dip galvanized round pipe for large venues](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-large-venues.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for glass curtain wall [Hot dip galvanized round pipe for glass curtain wall](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-glass-curtain-wall.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for decorative guardrail [Hot dip galvanized round pipe for decorative guardrail](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-decorative-guardrail.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for tower crane manufacture [Hot dip galvanized round pipe for tower crane manufacture](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-tower-crane-manufacture.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipes for photovoltaic projects [Hot dip galvanized round pipes for photovoltaic projects](https://www.ytdrintl.com/hot-dip-galvanized-round-pipes-for-photovoltaic-projects.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for greenhouses [Hot dip galvanized round pipe for greenhouses](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-greenhouses.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized round pipe for ship use [Hot dip galvanized round pipe for ship use](https://www.ytdrintl.com/hot-dip-galvanized-round-pipe-for-ship-use.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## astm-a53-hot-dipped-galvanized-steel-round-pipe [astm-a53-hot-dipped-galvanized-steel-round-pipe](https://www.ytdrintl.com/astm-a53-hot-dipped-galvanized-steel-round-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Round Gi Carbon Galvanized Steel Tube [Round Gi Carbon Galvanized Steel Tube](https://www.ytdrintl.com/round-gi-carbon-galvanized-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Square Gi Carbon Galvanized Steel Pipe [Square Gi Carbon Galvanized Steel Pipe](https://www.ytdrintl.com/square-gi-carbon-galvanized-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Square Gi Carbon Galvanized Steel tube [Square Gi Carbon Galvanized Steel tube](https://www.ytdrintl.com/square-gi-carbon-galvanized-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## rectangular Gi Carbon Galvanized Steel tube [rectangular Gi Carbon Galvanized Steel tube](https://www.ytdrintl.com/rectangular-gi-carbon-galvanized-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot Dipped Galvanized Cold Formed Square Tube [Hot Dipped Galvanized Cold Formed Square Tube](https://www.ytdrintl.com/hot-dipped-galvanized-cold-formed-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Mild Galvanized Steel Square Tube Price [Mild Galvanized Steel Square Tube Price](https://www.ytdrintl.com/mild-galvanized-steel-square-tube-price.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Cold Drawn Pre Galvanized Thin Walled Square Rectangular Tube [Cold Drawn Pre Galvanized Thin Walled Square Rectangular Tube](https://www.ytdrintl.com/cold-drawn-pre-galvanized-thin-walled-square-rectangular-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Pre Galvanized Thin Walled Square Tube [Pre Galvanized Thin Walled Square Tube](https://www.ytdrintl.com/pre-galvanized-thin-walled-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Pre Galvanized Thin Walled Square Rectangular pipe [Pre Galvanized Thin Walled Square Rectangular pipe](https://www.ytdrintl.com/pre-galvanized-thin-walled-square-rectangular-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Light Zinc Coating 40-120g Pre Galvanized Square Steel Tube [Light Zinc Coating 40-120g Pre Galvanized Square Steel Tube](https://www.ytdrintl.com/light-zinc-coating-40-120g-pre-galvanized-square-steel-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 201 304 316 Round and Square Steel Pipe and Tube [201 304 316 Round and Square Steel Pipe and Tube](https://www.ytdrintl.com/201-304-316-round-and-square-steel-pipe-and-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Famous Galvanized Steel Pipe 4 Inch Thin Wall [Famous Galvanized Steel Pipe 4 Inch Thin Wall](https://www.ytdrintl.com/famous-galvanized-steel-pipe-4-inch-thin-wall.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot Selling ASTM A53 A106 API 5L Seamless pipe [Hot Selling ASTM A53 A106 API 5L Seamless pipe](https://www.ytdrintl.com/hot-selling-astm-a53-a106-api-5l-seamless-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot Selling ASTM A53 A106 API 5L Welded pipe [Hot Selling ASTM A53 A106 API 5L Welded pipe](https://www.ytdrintl.com/hot-selling-astm-a53-a106-api-5l-welded-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot Selling ASTM A53 A106 API 5L Alloy Galvanized Square pipe [Hot Selling ASTM A53 A106 API 5L Alloy Galvanized Square pipe](https://www.ytdrintl.com/hot-selling-astm-a53-a106-api-5l-alloy-galvanized-square-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ASTM Standard Q235B Galvanized Steel Square Tube Price [ASTM Standard Q235B Galvanized Steel Square Tube Price](https://www.ytdrintl.com/astm-standard-q235b-galvanized-steel-square-tube-price.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 275G/M2 Hot Dipped Galvanized Round Pipes with Flat End [275G/M2 Hot Dipped Galvanized Round Pipes with Flat End](https://www.ytdrintl.com/275gm2-hot-dipped-galvanized-round-pipes-with-flat-end.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM Rectangular Hollow Section [OEM Rectangular Hollow Section](https://www.ytdrintl.com/oem-rectangular-hollow-section.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM ROUND HOLLOW SECTION PIPE [OEM ROUND HOLLOW SECTION PIPE](https://www.ytdrintl.com/oem-round-hollow-section-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM HOLLOW SECTION [OEM HOLLOW SECTION](https://www.ytdrintl.com/oem-hollow-section.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Customized various hollow building profiles [Customized various hollow building profiles](https://www.ytdrintl.com/customized-various-hollow-building-profiles.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM various stainless hollow building profiles [OEM various stainless hollow building profiles](https://www.ytdrintl.com/oem-various-hollow-building-profiles.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ODM various stainless hollow building profiles [ODM various stainless hollow building profiles](https://www.ytdrintl.com/odm-various-hollow-building-profiles.html):PRODUCT Yuantaiderun produces stainless steel with properties such as free-cutting, cold workability, and durability to meet the various needs of our ## ODM square hollow building profiles [ODM square hollow building profiles](https://www.ytdrintl.com/odm-square-hollow-building-profiles.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ODM black square hollow sections [ODM black square hollow sections](https://www.ytdrintl.com/odm-black-square-hollow-sections.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM black square hollow sections [OEM black square hollow sections](https://www.ytdrintl.com/oem-black-square-hollow-sections.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Online Metal Supply Steel Mechanical Square Tube [Online Metal Supply Steel Mechanical Square Tube](https://www.ytdrintl.com/online-metal-supply-steel-mechanical-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Unpolished (Mill) Steel Rectangular Tube manufacturer [Unpolished (Mill) Steel Rectangular Tube manufacturer](https://www.ytdrintl.com/unpolished-mill-steel-rectangular-tube-manufacturer.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## YuantaiDerun square tube A500C [YuantaiDerun square tube A500C](https://www.ytdrintl.com/yuantaiderun-square-tube-a500c.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM Hot galvanized square tube EN10219 S355J0H hollow section [OEM Hot galvanized square tube EN10219 S355J0H hollow section](https://www.ytdrintl.com/oem-hot-galvanized-square-tube-en10219-s355j0h-hollow-section.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 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Color Coated Steel Coil RAL9002 White Prepainted Galvanized Steel Coil [Color Coated Steel Coil RAL9002 White Prepainted Galvanized Steel Coil](https://www.ytdrintl.com/color-coated-steel-coil-ral9002-white-prepainted-galvanized-steel-coil.html):Advantage: 1.)Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produ ## Aluzinc Color Coated Steel Coils [Aluzinc Color Coated Steel Coils](https://www.ytdrintl.com/aluzinc-color-coated-steel-coils.html):Advantage: 1.)Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produ ## Manufacturer-of-high-quality-color-coating-rolls [Manufacturer-of-high-quality-color-coating-rolls](https://www.ytdrintl.com/manufacturer-of-high-quality-color-coating-rolls.html):Advantage: 1.Anticorrosion durability The color coated plate has the effect of mirror coating. When it is added to the pressure roller in the produ ## Manufacturer-of-high-quality-color-coating-rolls YuantaiDerun [Manufacturer-of-high-quality-color-coating-rolls YuantaiDerun](https://www.ytdrintl.com/manufacturer-of-high-quality-color-coating-rolls-yuantaiderun.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Color-painted-rolls-with-different-textures [Color-painted-rolls-with-different-textures](https://www.ytdrintl.com/color-painted-rolls-with-different-textures.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## A-large-number-of-customized-wholesale-production-of-color-rolls [A-large-number-of-customized-wholesale-production-of-color-rolls](https://www.ytdrintl.com/a-large-number-of-customized-wholesale-production-of-color-rolls.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Wholesale color coated rolls [Wholesale color coated rolls](https://www.ytdrintl.com/wholesale-color-coated-rolls.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Batch customized color painting rolls [Batch customized color painting rolls](https://www.ytdrintl.com/batch-customized-color-painting-rolls.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## PPGI Galvanized Steel Coil for Building [PPGI Galvanized Steel Coil for Building](https://www.ytdrintl.com/ppgi-galvanized-steel-coil-for-building.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## High Quality Prepainted Steel Coils PPGI PPGL Roofing Sheets with Good Prices [High Quality Prepainted Steel Coils PPGI PPGL Roofing Sheets with Good Prices](https://www.ytdrintl.com/high-quality-prepainted-steel-coils-ppgi-ppgl-roofing-sheets-with-good-prices.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## YuantaiDerun PPGI Galvanized Steel Coil PPGL coils Color coated roll [YuantaiDerun PPGI Galvanized Steel Coil PPGL coils Color coated roll](https://www.ytdrintl.com/yuantaiderun-ppgi-galvanized-steel-coil-ppgl-coils-color-coated-roll.html): Description of PPGI & PPGL STEEL PPGI is Pre-Painted Galvanized Coil, also known as pre-coated steel, coil coated steel, color coated steel etc. ## manufacturer PPGI Galvanized Steel Coil for Building [manufacturer PPGI Galvanized Steel Coil for Building](https://www.ytdrintl.com/manufacturer-ppgi-galvanized-steel-coil-for-building.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Hot Sale PPGI Galvanized Steel Coil with Lower Price [Hot Sale PPGI Galvanized Steel Coil with Lower Price](https://www.ytdrintl.com/hot-sale-ppgi-galvanized-steel-coil-with-lower-price.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Building Material Steel Coil PPGI Prepainted Galvanized [Building Material Steel Coil PPGI Prepainted Galvanized](https://www.ytdrintl.com/building-material-steel-coil-ppgi-prepainted-galvanized.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## PPGI COIL 600-1250mm width [PPGI COIL 600-1250mm width](https://www.ytdrintl.com/ppgi-coil-600-1250mm-width.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## Latest-redbluegreenblack white-color-coated-steel-coil [Latest-redbluegreenblack white-color-coated-steel-coil](https://www.ytdrintl.com/latest-redbluegreenblackwhite-color-coated-steel-coil.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## PPGI-COIL-MANUFACTURER-FROM-CHINA [PPGI-COIL-MANUFACTURER-FROM-CHINA](https://www.ytdrintl.com/ppgi-coil-manufacturer-from-china.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## ppgi-coils-galvanized-az-60 [ppgi-coils-galvanized-az-60](https://www.ytdrintl.com/ppgi-coils-galvanized-az-60.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## PPGI ZINC Cold rolled Steel Coil [PPGI ZINC Cold rolled Steel Coil](https://www.ytdrintl.com/ppgi-zinc-cold-rolled-steel-coil.html):Description of PPGI & PPGL STEEL PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., ## ASTM A500/A501 lsaw pipe LSAW tube hollow section factory [ASTM A500/A501 lsaw pipe LSAW tube hollow section factory ](https://www.ytdrintl.com/lsaw-pipe-factory.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## OEM lsaw pipe factory API 5L LSAW tube [OEM lsaw pipe factory API 5L LSAW tube](https://www.ytdrintl.com/oem-lsaw-pipe-factory-api-5l-lsaw-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Wholesale custom cold formed LSAW carbon steel pipe profile [Wholesale custom cold formed LSAW carbon steel pipe profile](https://www.ytdrintl.com/wholesale-custom-cold-formed-lsaw-carbon-steel-pipe-profile.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## ODM OD:355.6-2000MM carbon steel LSAW pipe manufacturers [ODM OD:355.6-2000MM carbon steel LSAW pipe manufacturers](https://www.ytdrintl.com/odm-od355-6-2000mm-carbon-steel-lsaw-pipe-manufacturers.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## lsaw and hsaw pipes tubes for steel Structural [lsaw and hsaw pipes tubes for steel Structural ](https://www.ytdrintl.com/lsaw-and-hsaw-pipes-tubes-for-steel-structural.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## 10'x 10' round carbon LSAW steel pipe/tube/hollow section [10'x 10' round carbon LSAW steel pipe/tube/hollow section](https://www.ytdrintl.com/10x-10-round-carbon-lsaw-steel-pipe.html): OD（OUTER DIAMETER） THICKNESS WEIGHT inch mm unit mm inch Kg / M Lb / ft 16” 406.4 10 6.35 0.250 63.28 ## Customized OEM LSAW steel pipe api 5l lsaw pipe [Customized OEM LSAW steel pipe api 5l lsaw pipe](https://www.ytdrintl.com/customized-oem-lsaw-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## customized-OEM-seamless-tube [customized-OEM-seamless-tube](https://www.ytdrintl.com/customized-oem-seamless-tube.html): 1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ## Customized-OEM-seamless-square-rectangular tube [Customized-OEM-seamless-square-rectangular tube](https://www.ytdrintl.com/customized-oem-seamless-square-rectangular-tube.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## Custom-galvanized-steel-tubing [Custom-galvanized-steel-tubing](https://www.ytdrintl.com/custom-seamless-stainless-steel-tubing.html):  With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spir ## Mass custom production of seamless stainless steel pipe [Mass custom production of seamless stainless steel pipe](https://www.ytdrintl.com/mass-customized-production-of-seamless-stainless-steel-pipe.html): 1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ## whole sale seamless steel pipe factory [whole sale seamless steel pipe factory](https://www.ytdrintl.com/whole-sale-seamless-steel-pipe-factory.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## whole sale seamless steel pipe manufacturer [whole sale seamless steel pipe manufacturer](https://www.ytdrintl.com/whole-sale-seamless-steel-pipe-manufacturer.html): 1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ## seamless square tube factory [seamless square tube factory](https://www.ytdrintl.com/seamless-square-tube-factory.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## seamless rectangular round tube YuantaiDerun brand [seamless rectangular round tube YuantaiDerun brand](https://www.ytdrintl.com/seamless-rectangular-round-tube-yuantaiderun-brand.html): 1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ## Low temperature seamless steel pipe working in extremely cold environment (- 45~- 195℃) [Low temperature seamless steel pipe working in extremely cold environment (- 45~- 195℃)](https://www.ytdrintl.com/low-temperature-seamless-steel-pipe-working-in-extremely-cold-environment-45-195.html):The low-temperature seamless steel pipe can work in the extremely cold environment of - 45~- 195℃. The outstanding advantage of low-temperature seam ## The factory supplies rectangular pipes YuantaiDerun brand [The factory supplies rectangular pipes YuantaiDerun brand](https://www.ytdrintl.com/the-factory-supplies-rectangular-pipes-yuantaiderun-brand.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## Large seamless tube [Large seamless tube](https://www.ytdrintl.com/large-seamless-tube.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## manufacturer yuantai big seamless tube [manufacturer yuantai big seamless tube](https://www.ytdrintl.com/manufacturer-yuantaiderun-big-seamless-tube.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## Hot dip galvanized square tube [Hot dip galvanized square tube](https://www.ytdrintl.com/hot-dip-galvanized-square-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## MS-Square-Pipe-Thickness--10-45mm-1 [MS-Square-Pipe-Thickness--10-45mm-1](https://www.ytdrintl.com/ms-square-pipe-thickness-10-45mm-1.html):产品细节 Click Here ## 90 degree right angle square and rectangular steel tube [90 degree right angle square and rectangular steel tube](https://www.ytdrintl.com/90-degree-right-angle-square-and-rectangular-steel-tube.html):Yuantaiderun also produces special-shaped steel pipes such as right angle pipe, trapezoidal pipe and octagonal pipe. New and old customers are welcome ## Trapezoidal steel pipe YuantaiDerun [Trapezoidal steel pipe YuantaiDerun](https://www.ytdrintl.com/trapezoidal-steel-pipe-yuantaiderun.html):Yuantaiderun also produces special-shaped steel pipes such as right angle pipe, trapezoidal pipe and octagonal pipe. New and old customers are welcome ## Special shaped steel pipe YuantaiDerun [Special shaped steel pipe YuantaiDerun](https://www.ytdrintl.com/special-shaped-steel-pipe-yuantaiderun.html):Yuantaiderun also produces special-shaped steel pipes such as right angle pipe, trapezoidal pipe and octagonal pipe. New and old customers are welcome ## Greenhouse steel pipe [Greenhouse steel pipe](https://www.ytdrintl.com/greenhouse-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Steel structure building steel pipe [Steel structure building steel pipe](https://www.ytdrintl.com/steel-structure-building-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Hot dip galvanized steel pipe for high speed [Hot dip galvanized steel pipe for high speed](https://www.ytdrintl.com/hot-dip-galvanized-steel-pipe-for-high-speed.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Prefabricated building steel pipe [Prefabricated building steel pipe](https://www.ytdrintl.com/prefabricated-building-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## square steel tube factory [square steel tube factory](https://www.ytdrintl.com/square-steel-tube-factory.html): A few words from Yuantai Derun Steel Group Tede has an annual output of 10 billion yuan. It is the largest ERW square pipe, hollow pipe, pipe weld ## China yuantai derun(accept oem odm obm)rectangular steel pipe factory [China yuantai derun(accept oem odm obm)rectangular steel pipe factory](https://www.ytdrintl.com/china-yuantai-derunaccept-oem-odm-obmrectangular-steel-pipe-factory.html): YUANTAIDERUN-BRAND LEADER OF SQUARE TUBE With an annual output of 10 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, h ## round steel tube factory China yuantaiderun(accept oem obm odm) [round steel tube factory China yuantaiderun(accept oem obm odm)](https://www.ytdrintl.com/round-steel-tube-factory-china-yuantaiderunaccept-oem-obm-odm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Black high frequency welded pipe [Black high frequency welded pipe](https://www.ytdrintl.com/black-high-frequency-welded-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Black HFW steel pipe [Black HFW steel pipe](https://www.ytdrintl.com/black-hfw-steel-pipe.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Galvanized Square Pipe - 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It is widely used in municipal projects, roads, factori ## square steel pipe manufacturer China yuantaiderun(oem obm odm) [square steel pipe manufacturer China yuantaiderun(oem obm odm)](https://www.ytdrintl.com/square-steel-pipe-manufacturer-china-yuantaiderunoem-obm-odm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## square steel hollow section manufacturer China yuantaiderun [square steel hollow section manufacturer China yuantaiderun](https://www.ytdrintl.com/square-steel-hollow-section-manufacturer-china-yuantaiderun.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## square steel tube wholesale yuantaiderun(accept oem odm obm) [square steel tube wholesale yuantaiderun(accept oem odm obm)](https://www.ytdrintl.com/square-steel-tube-wholesale-yuantaiderunaccept-oem-odm-obm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## round steel tube manufacturer China yuantaiderun(can oem odm obm) [round steel tube manufacturer China yuantaiderun(can oem odm obm)](https://www.ytdrintl.com/round-steel-tube-manufacturer-china-yuantaideruncan-oem-odm-obm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## China's largest square tube manufacturer Yuantaiderun rectangular steel pipe [China's largest square tube manufacturer Yuantaiderun rectangular steel pipe](https://www.ytdrintl.com/chinas-largest-square-tube-manufacturer-yuantaiderun-rectangular-steel-pipe.html): A few words about rectangular steel tube manufacturer Yuantai Derun Steel Group With an annual output of 10 million tons, Yuantai Derun is the large ## factory China yuantaiderun(accept oem odm obm) round rectangular square hot dip galvanized tube [ factory China yuantaiderun(accept oem odm obm) round rectangular square hot dip galvanized tube](https://www.ytdrintl.com/factory-china-yuantaiderunaccept-oem-odm-obm-round-rectangular-square-hot-dip-galvanized-tube.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## rectangular steel tube supplier yuantaiderun(can oem odm obm) [rectangular steel tube supplier yuantaiderun(can oem odm obm)](https://www.ytdrintl.com/rectangular-steel-tube-supplier-yuantaideruncan-oem-odm-obm.html):With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welde ## Factory Yuantai thick wall steel pipe seamless steel tube [Factory Yuantai thick wall steel pipe seamless steel tube](https://www.ytdrintl.com/factory-yuantai-thick-wall-steel-pipe-seamless-steel-tube.html):1.Q: How long can make delivery? A: For stock products, will make shipments in 5- 7 days after receiving deposit or receiving L/C;For products need ne ## square steel pipe supplier yuantaiderun(accept oem odm obm) [square steel pipe supplier yuantaiderun(accept oem odm obm)](https://www.ytdrintl.com/square-steel-pipe-supplier-yuantaiderunaccept-oem-odm-obm.html):Tianjin Yuantai Derun is a famous square steel pipe supplier in China With an annual output of 5 million tons, Yuantai Derun is the largest ERW square ## factory China yuantaiderun(can oem odm obm) square steel tube [factory China yuantaiderun(can oem odm obm) square steel tube](https://www.ytdrintl.com/factory-china-yuantaideruncan-oem-odm-obm-square-steel-tube.html):square steel pipe supplier With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galva ## square steel hollow section supplier yuantaiderun [square steel hollow section supplier yuantaiderun](https://www.ytdrintl.com/square-steel-hollow-section-supplier-yuantaiderun.html):square steel pipe factory With an annual output of 5 million tons, Yuantai Derun is the largest ERW square pipe, rectangular pipe, hollow pipe, galvan ## black square steel pipe factory [black square steel pipe factory](https://www.ytdrintl.com/black-square-steel-pipe-factory.html): PRODUCT INTRODUCTION Also known as square and rectangular cold-formed hollow section steel, short for square tube and rectangular tube PROC ## round steel hollow section Scaffolding tube [round steel hollow section Scaffolding tube](https://www.ytdrintl.com/round-steel-hollow-section-scaffolding-tube.html):Tianjin Yuantai Derun is a famous round steel hollow section supplier in China With an annual output of 5 million tons, Yuantai Derun is the largest E ## ERW black round steel pipe factory [ERW black round steel pipe factory](https://www.ytdrintl.com/erw-black-round-steel-pipe-factory.html): Tianjin Yuantai Derun is a famous ERW steel tube factory in China ERW steel pipe standard specification：   out diameter Wall thic ## rectangular steel pipe supplier [rectangular steel pipe supplier](https://www.ytdrintl.com/rectangular-steel-pipe-supplier.html): A few words from Yuantai Derun Steel Group With an annual output of 10 million tons, Yuantai Derun is the largest manufacturer of ERW square pipes, ## 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In recent years, their use in ## Application solutions of Yuantai Derun square and rectangular tubes in warehouses, factories and high-rise buildings [Application solutions of Yuantai Derun square and rectangular tubes in warehouses, factories and high-rise buildings](https://www.ytdrintl.com/news/application-solutions-of-yuantai-derun-square-and-rectangular-tubes-in-warehouses-factories-and-high-rise-buildings/):Application solutions of Yuantai Derun square and rectangular tubes in warehouses, factories and high-rise buildings ## Yuantai Derun joins hands with Tashkent: SCO order demonstrates the strength of Chinese manufacturing [Yuantai Derun joins hands with Tashkent: SCO order demonstrates the strength of Chinese manufacturing](https://www.ytdrintl.com/news/yuantai-derun-joins-hands-with-tashkent-sco-order-demonstrates-the-strength-of-chinese-manufacturing/): Yuantai Derun recently announced another success: our export department has successfully secured a partnership with the Tashkent New City project ## YuanTai DeRun–Hot Dip Galvanizing​ Steel [YuanTai DeRun–Hot Dip Galvanizing​ Steel](https://www.ytdrintl.com/news/yuantai-derun-hot-dip-galvanizing%e2%80%8b-steel/): YuanTai DeRun–Hot Dipped Galvanized Steel Hot-dip galvanized pipes, in order to improve the corrosion resistance of steel pipes, general steel ## What is the difference between plain steel and carbon steel? [What is the difference between plain steel and carbon steel?](https://www.ytdrintl.com/news/what-is-the-difference-between-plain-steel-and-carbon-steel/): Mild Steel vs Carbon Steel: What is the Difference? steel and carbon steel. While both are used for similar purposes, there are several key diff ## Analysis of the core role of square tubes in photovoltaic support structures [Analysis of the core role of square tubes in photovoltaic support structures](https://www.ytdrintl.com/news/analysis-of-the-core-role-of-square-tubes-in-photovoltaic-support-structures/): With the continuous advancement of the "dual carbon" strategy and the rapid development of the photovoltaic industry, the photovoltaic support syste ## VIETBUILD 2025 June 25-29 yuantaiderun steel pipe [VIETBUILD 2025 June 25-29 yuantaiderun steel pipe](https://www.ytdrintl.com/news/vietbuild-2025-june-25-29-yuantaiderun-steel-pipe/): Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., is a top 1 Hollow Section manufacturer in China which has capacity to manufacture JIS G ## How are seamless pipes produced? [How are seamless pipes produced?](https://www.ytdrintl.com/news/how-are-seamless-pipes-produced/):How are seamless pipes produced? ## where to buy Large diameter thick wall steel pipe？ [where to buy Large diameter thick wall steel pipe？](https://www.ytdrintl.com/news/where-to-buy-large-diameter-thick-wall-steel-pipe%ef%bc%9f/): Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., is a top 1 Hollow Section manufacturer in China which has capacity to manufacture JIS G 34 ## The difference between cold-dip galvanizing and hot-dip galvanizing in steel pipe processing [The difference between cold-dip galvanizing and hot-dip galvanizing in steel pipe processing](https://www.ytdrintl.com/news/the-difference-between-cold-dip-galvanizing-and-hot-dip-galvanizing-in-steel-pipe-processing/):The difference between cold-dip galvanizing and hot-dip galvanizing in steel pipe processing ## Square Tube VS Rectangular Tube Which One Is More Durable [Square Tube VS Rectangular Tube Which One Is More Durable](https://www.ytdrintl.com/news/square-tube-vs-rectangular-tube-which-one-is-more-durable/): Square tube VS rectangular tube, which shape is more durable? The performance difference between rectangular tube and square tube in engineering ## Tangshan Yuantai Derun New Product [Tangshan Yuantai Derun New Product](https://www.ytdrintl.com/news/tangshan-yuantai-derun-new-product/): Tangshan Yuantai Derun Steel Pipe Co., Ltd. Galvanized zinc aluminum magnesium strip steel Available width: 550mm~1010mm Thickness: 0.8mm~2.75 ## Longitudinally welded pipes production process is simple, high production efficiency and low cost [Longitudinally welded pipes production process is simple, high production efficiency and low cost](https://www.ytdrintl.com/news/straight-seam-welded-pipe-production-process-is-simple-high-production-efficiency-and-low-cost/): Longitudinally welded pipes Longitudinally welded pipes is a steel pipe with the weld parallel to the longitudinal direction of the steel pipe. ## 2025 Yuantaiderun Steel Pipe Saudi International Building Materials Exhibition [2025 Yuantaiderun Steel Pipe Saudi International Building Materials Exhibition](https://www.ytdrintl.com/news/2025-yuantaiderun-steel-pipe-saudi-international-building-materials-exhibition/):2025 Yuantaiderun Steel Pipe Saudi International Building Materials Exhibition ## Tianjin Yuantai Derun Steel Pipe has regular stock in stock [Tianjin Yuantai Derun Steel Pipe has regular stock in stock](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-has-regular-stock-in-stock/): Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. has a standing stock of 200,000 tons of spot inventory. The existing molds can produc ## What is the difference between ERW and CDW pipes?  [What is the difference between ERW and CDW pipes? ](https://www.ytdrintl.com/news/what-is-the-difference-between-erw-and-cdw-pipes-%ef%bb%bf/):What is the difference between ERW and CDW pipes?  ## What are the characteristics of steel structure? Material requirements for steel structure [What are the characteristics of steel structure? Material requirements for steel structure](https://www.ytdrintl.com/news/what-are-the-characteristics-of-steel-structure-material-requirements-for-steel-structure/):What are the characteristics of steel structure? Material requirements for steel structure ## Yuantaiderun Large diameter square and rectangular steel pipe [Yuantaiderun Large diameter square and rectangular steel pipe](https://www.ytdrintl.com/news/yuantaiderun-large-diameter-square-and-rectangular-steel-pipe/):Yuantaiderun Large diameter square and rectangular steel pipe ## Seamless welding technology of square tube [Seamless welding technology of square tube](https://www.ytdrintl.com/news/seamless-welding-technology-of-square-tube/):Seamless welding technology of square tube ## Yuantai Derun square tube surface crack detection technology method [Yuantai Derun square tube surface crack detection technology method](https://www.ytdrintl.com/news/yuantai-derun-square-tube-surface-crack-detection-technology-method/): Yuantai Derun Square Tube Surface Crack Detection Technology Method Yuantai Derun Square Tube Surface Crack Detection Technology mainly includes p ## Precautions for the production of square and rectangular tubes [Precautions for the production of square and rectangular tubes](https://www.ytdrintl.com/news/precautions-for-the-production-of-square-and-rectangular-tubes-3/): Square tubes are a type of steel commonly used in fields such as structures, machinery and construction. During its production, it is necessary to p ## Yuantai Derun participates in the construction of Fujian offshore photovoltaic project [Yuantai Derun participates in the construction of Fujian offshore photovoltaic project](https://www.ytdrintl.com/news/fujian-offshore-photovoltaic-project-supply-by-yuantai-derun/):Yuantai Derun participates in the construction of Fujian offshore photovoltaic project ## The difference between ERW steel pipe and seamless pipe [The difference between ERW steel pipe and seamless pipe](https://www.ytdrintl.com/news/the-difference-between-erw-steel-pipe-and-seamless-pipe/):The difference between ERW steel pipe and seamless pipe ## Steel pipe anti-rust PVC packaging [Steel pipe anti-rust PVC packaging](https://www.ytdrintl.com/news/steel-pipe-anti-rust-pvc-packaging/): Steel pipe anti-rust packaging cloth is a packaging material specially used to protect metal products, especially steel pipes, from corrosion during ## Differences between European H-beam HEA and HEB types [Differences between European H-beam HEA and HEB types](https://www.ytdrintl.com/news/differences-between-european-h-beam-hea-and-heb-types/): The European standard H-beam types HEA and HEB have significant differences in cross-sectional shape, size and application. HEA series HEA is a hot- ## Importance of ASTM A53 Pipe to the Steel Industry [Importance of ASTM A53 Pipe to the Steel Industry](https://www.ytdrintl.com/news/s460nh-high-strength-steel-pipe-provides-excellent-performance-and-reliability-for-heavy-duty-structures-and-engineering/):Importance of ASTM A53 Pipe to the Steel Industry ## Tianjin Yuantai Derun straight seam steel welded pipe manufacturer [Tianjin Yuantai Derun straight seam steel welded pipe manufacturer](https://www.ytdrintl.com/news/tianjin-yuantai-derun-straight-seam-steel-welded-pipe-manufacturer/): Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. focuses on providing a variety of steel pipe products, including Longitudinal Submerg ## Benefits of using carbon steel pipes [Benefits of using carbon steel pipes](https://www.ytdrintl.com/news/benefits-of-using-carbon-steel-pipes/): Carbon Steel Pipe is a widely used material in industrial and construction projects, and is highly favored for its excellent performance and econo ## Yuantai Derun Steel Pipe Green Certification [Yuantai Derun Steel Pipe Green Certification](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-green-certification/):Yuantai Derun Steel Pipe Green Certification ## High quantity GI Rectangular Pipe weld seam in samll side [High quantity GI Rectangular Pipe weld seam in samll side](https://www.ytdrintl.com/news/high-quantity-gi-pipe-weld-seam-in-samll-side/):High quantity GI Rectangular Pipe weld seam in samll side ## Methods to improve the surface quality of seamless steel pipes [Methods to improve the surface quality of seamless steel pipes](https://www.ytdrintl.com/news/methods-to-improve-the-surface-quality-of-seamless-steel-pipes/):Methods to improve the surface quality of seamless steel pipes ## Heat treatment process of seamless steel pipe [Heat treatment process of seamless steel pipe](https://www.ytdrintl.com/news/heat-treatment-process-of-seamless-steel-pipe/):Heat treatment process of seamless steel pipe ## What is the ASTM standard for carbon steel pipe? [What is the ASTM standard for carbon steel pipe?](https://www.ytdrintl.com/news/what-is-the-astm-standard-for-carbon-steel-pipe/):What is the ASTM standard for carbon steel pipe? ## Introduction to ASTM A106 Seamless Steel Pipe [Introduction to ASTM A106 Seamless Steel Pipe](https://www.ytdrintl.com/news/introduction-to-astm-a106-seamless-steel-pipe/): A106 Seamless Pipe ASTM A106 seamless steel pipe is an American standard seamless steel pipe made of ordinary carbon steel series. Product I ## Differences between ERW Steel Pipe and HFW Steel Pipe [Differences between ERW Steel Pipe and HFW Steel Pipe](https://www.ytdrintl.com/news/differences-between-erw-steel-pipe-and-hfw-steel-pipe-2/):Differences between ERW Steel Pipe and HFW Steel Pipe ## What are the applicable industries and main models of spiral steel pipe? [What are the applicable industries and main models of spiral steel pipe?](https://www.ytdrintl.com/news/what-are-the-applicable-industries-and-main-models-of-spiral-steel-pipe-2/): Spiral pipes are mainly used for oil and natural gas pipelines, and their specifications are expressed by outer diameter * wall thickness. Spiral pi ## Yuantai Derun was invited to attend the 2025 China Steel Market Outlook and "My Steel" Annual Conference [Yuantai Derun was invited to attend the 2025 China Steel Market Outlook and "My Steel" Annual Conference](https://www.ytdrintl.com/news/yuantai-derun-was-invited-to-attend-the-2025-china-steel-market-outlook-and-my-steel-annual-conference/):The "2025 China Steel Market Outlook and 'My Steel' Annual Conference, co hosted by the Metallurgical Industry Economic Development Research Center an ## Congratulations to Yuantai Derun for once again winning the title of China's Top 500 Private Enterprises and China's Top 500 Private Manufacturing Enterprises [Congratulations to Yuantai Derun for once again winning the title of China's Top 500 Private Enterprises and China's Top 500 Private Manufacturing Enterprises](https://www.ytdrintl.com/news/congratulations-to-yuantai-derun-for-once-again-winning-the-title-of-chinas-top-500-private-enterprises-and-chinas-top-500-private-manufacturing-enterprises/):On October 12, 2024, the All China Federation of Industry and Commerce released the "2024 Top 500 Chinese Private Enterprises" and "2024 Top 500 Chine ## Yuantai Derun Steel Pipe Manufacturing Group Sincerely invite you to attend The 136th Canton Fair [Yuantai Derun Steel Pipe Manufacturing Group Sincerely invite you to attend The 136th Canton Fair](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-manufacturing-group-sincerely-invite-you-to-attend-the-136th-canton-fair/): Yuantai Derun Steel Pipe Manufacturing Group Sincerely invite you to attend The 136th Canton Fair Time: October 23-27, 2024 Booth Number: 13.1H05 A ## Yantai Derun Group Breaks Records with 26.5-Meter Square and Rectangular Tube [Yantai Derun Group Breaks Records with 26.5-Meter Square and Rectangular Tube](https://www.ytdrintl.com/news/yantai-derun-group-breaks-records-with-26-5-meter-square-and-rectangular-tube/): Yantai Derun Group, a leading manufacturer in the steel industry, has recently made headlines with their groundbreaking achievement in producing a ## Manufacturing is the basis of a strong nation——Yuantai Derun Group Show The 8th On Chinese Brand Day [Manufacturing is the basis of a strong nation——Yuantai Derun Group Show The 8th On Chinese Brand Day](https://www.ytdrintl.com/news/manufacturing-is-the-basis-of-a-strong-nation-yuantai-derun-group-show-on-chinese-brand-day/): The 2024 China Brand Day event, jointly organized by the National Development and Reform Commission, the Ministry of Propaganda, the Ministry of E ## 2023 Green Manufacturing List of the Steel Industry [2023 Green Manufacturing List of the Steel Industry](https://www.ytdrintl.com/news/2023-green-manufacturing-list-of-the-steel-industry/):The Ministry of Industry and Information Technology announced 2023 annual green manufacturing list, green factory list publicised a total of 1488 ente ## Bignews-Tha largest Structural Steel Hollow Section Manufacturer Invitation You To the 135th Canton Fair [Bignews-Tha largest Structural Steel Hollow Section Manufacturer Invitation You To the 135th Canton Fair](https://www.ytdrintl.com/news/bignews-tha-largest-structural-steel-hollow-section-manufacturer-invitation-you-to-the-135th-canton-fair/):Invitation Letter for Posters of the 135th Canton Fair ## BigNews- Yuantai Derun Steel Pipe Group cordially invites you to participate in the Singapore BTA Exhibition [BigNews- Yuantai Derun Steel Pipe Group cordially invites you to participate in the Singapore BTA Exhibition](https://www.ytdrintl.com/news/bignews-yuantai-derun-steel-pipe-group-cordially-invites-you-to-participate-in-the-singapore-bta-exhibition/):BuildTech Asia Exhibition Hall Name: Singapore Expo Center Exhibition Hall Address: Singapore EXPO Hall 2B Detailed address: 1 EXPO Drive, # 01-01, Si ## Invitation-26 - 29 February 2024. Riyadh Front Exhibition & Conference Center located at ROSHN Front [Invitation-26 - 29 February 2024. Riyadh Front Exhibition & Conference Center located at ROSHN Front](https://www.ytdrintl.com/news/invitation-26-29-february-2024-riyadh-front-exhibition-conference-center-located-at-roshn-front/):Yuantai Derun Group, the largest manufacturer of steel hollow sections in China Sincerely invite you to visit our booth for guidance and exchange. Boo ## Tianjin Yuantai Derun Group attends the 14th Shanghai International Steel Pipe Industry Exhibition 2023 [Tianjin Yuantai Derun Group attends the 14th Shanghai International Steel Pipe Industry Exhibition 2023](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-attends-the-14th-shanghai-international-steel-pipe-industry-exhibition-2023/):The 14th Shanghai International Steel Tube & Pipe Industry Exhibition 2023 will be held from 29 Nov to 1 Dec 2023 in Shanghai New International Ex ## "Tianjin Metal Association 2023 "Yuantai Derun" Cup Friendly Football Match ["Tianjin Metal Association 2023 "Yuantai Derun" Cup Friendly Football Match](https://www.ytdrintl.com/news/tianjin-metal-association-2023-yuantai-derun-cup-friendly-football-match/):"Tianjin Metal Association 2023 "Yuantai Derun" Cup Friendly Football Match ## Yuantai Derun steel pipe group 2022 Social Responsibility Report [Yuantai Derun steel pipe group 2022 Social Responsibility Report](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-group-2022-annual-greenhouse-gas-emissions-verification-report/):Recently, Tianjin Yuantai Derun Steel Pipe Manufacturing Group released its 2022 Social Responsibility Report ## Steel pipe quality is red line - not signed for the purpose of signing the order [Steel pipe quality is red line - not signed for the purpose of signing the order](https://www.ytdrintl.com/news/steel-pipe-quality-is-red-line-not-signed-for-the-purpose-of-signing-the-order/):My dear friends， you found us through the short videos.  Since you are already here, let's stop bargaining.  We are all strangers who have never m ## Tianjin Yuantai Derun Steel Pipe Manufacturing Group sincerely invites you to come to the 134th Autumn Canton Fair [Tianjin Yuantai Derun Steel Pipe Manufacturing Group sincerely invites you to come to the 134th Autumn Canton Fair](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-manufacturing-group-sincerely-invites-you-to-come-to-the-134th-autumn-canton-fair/):Tianjin Yuantai Derun Steel Pipe Manufacturing Group sincerely invites you to come to the 134th Autumn Canton Fair ## What are the sizes of rectangular tubes? What are the methods for distinguishing rectangular tubes? [What are the sizes of rectangular tubes? What are the methods for distinguishing rectangular tubes?](https://www.ytdrintl.com/news/what-are-the-sizes-of-rectangular-tubes-what-are-the-methods-for-distinguishing-rectangular-tubes/):Many people around us are learning about the rectangular tubes around us. When using rectangular tubes, many people find that their quality is related ## Yuantai Derun Steel Pipe Group Attends the 2023 World Manufacturing Conference [Yuantai Derun Steel Pipe Group Attends the 2023 World Manufacturing Conference](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-group-attends-the-2023-world-manufacturing-conference/):Yuantai Derun Steel Pipe Group Attends the 2023 World Manufacturing Conference ## Galvanized Steel Tubing: A Comprehensive Guide [Galvanized Steel Tubing: A Comprehensive Guide](https://www.ytdrintl.com/news/galvanized-steel-tubing-a-comprehensive-guide/):Table of Contents Introduction What is Galvanized Steel Tubing? Benefits of Galvanized Steel Tubing Galvanized Steel Tubing Supplier: Finding the ## Tianjin Yuantai Derun Group was ranked 14th among the top 100 manufacturing enterprises in Tianjin in 2023 [Tianjin Yuantai Derun Group was ranked 14th among the top 100 manufacturing enterprises in Tianjin in 2023](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-was-ranked-14th-among-the-top-100-manufacturing-enterprises-in-tianjin-in-2023/): At the 2023 Tianjin Top 100 Enterprises press conference, three lists of 2023 Tianjin manufacturing enterprises, service industry enterprises, and s ## Congratulation! Tianjin Yuantai Derun Group was honored to be listed in the "2023 China Manufacturing Top 500 Private Enterprises List" and ranked 338th. [Congratulation! Tianjin Yuantai Derun Group was honored to be listed in the "2023 China Manufacturing Top 500 Private Enterprises List" and ranked 338th.](https://www.ytdrintl.com/news/congratulation-tianjin-yuantai-derun-group-was-honored-to-be-listed-in-the-2023-china-manufacturing-top-500-private-enterprises-list-and-ranked-338th/):Congratulation! Tianjin Yuantai Derun Group was honored to be listed in the "2023 China Manufacturing Top 500 Private Enterprises List" and ranked 338th. ## Tianjin Yuantai Derun Group was successfully selected as one of the first batch of intelligent construction pilot enterprises in Tianjin [Tianjin Yuantai Derun Group was successfully selected as one of the first batch of intelligent construction pilot enterprises in Tianjin](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-was-successfully-selected-as-one-of-the-first-batch-of-intelligent-construction-pilot-enterprises-in-tianjin/):Tianjin Yuantai Derun Group was successfully selected as one of the first batch of intelligent construction pilot enterprises in Tianjin ## Square Tubes for Marine Platform Pier Structures: A Comprehensive Guide [Square Tubes for Marine Platform Pier Structures: A Comprehensive Guide](https://www.ytdrintl.com/news/square-tubes-for-marine-platform-pier-structures-a-comprehensive-guide/): Introduction When it comes to constructing marine platform pier structures, choosing the right materials is crucial. One such material that has ## China's official manufacturing PMI in August was 49.7%, up 0.4 percentage points from the previous month [China's official manufacturing PMI in August was 49.7%, up 0.4 percentage points from the previous month](https://www.ytdrintl.com/news/chinas-official-manufacturing-pmi-in-august-was-49-7-up-0-4-percentage-points-from-the-previous-month/):On August 31st, the China Federation of Logistics and Purchasing and the Service Industry Survey Center of the National Bureau of Statistics released ## Yuantai Derun Steel Pipe Group debuted at the 2023 Xinjiang Green Building Industry Expo with its flagship products [Yuantai Derun Steel Pipe Group debuted at the 2023 Xinjiang Green Building Industry Expo with its flagship products](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-group-debuted-at-the-2023-xinjiang-green-building-industry-expo-with-its-flagship-products/): Overview of Xinjiang Green Building Industry Expo The Xinjiang Green Building Industry Expo has been successfully held for eight sessions, servi ## China Steel Industry Chain Tour Summit Forum 2023 - Zhengzhou Station Successfully Concluded [China Steel Industry Chain Tour Summit Forum 2023 - Zhengzhou Station Successfully Concluded](https://www.ytdrintl.com/news/china-steel-industry-chain-tour-summit-forum-2023-zhengzhou-station-successfully-concluded/):On August 17, 2023, China Steel Industry Chain Tour Summit Forum was held in Zhengzhou Chepeng Hotel. The forum invited macro, industrial and financia ## Maintenance and upkeep guide for hot-dip galvanized square pipes [Maintenance and upkeep guide for hot-dip galvanized square pipes](https://www.ytdrintl.com/news/maintenance-and-upkeep-guide-for-hot-dip-galvanized-square-pipes/):Dear readers, hot-dip galvanized square pipes, as a common building material, have the characteristics of anti-corrosion and strong weather resistance ## Welcome customers to visit Yuantai Derun Steel Pipe Workshop [Welcome customers to visit Yuantai Derun Steel Pipe Workshop](https://www.ytdrintl.com/news/welcome-customers-to-visit-yuantai-derun-steel-pipe-workshop/):Welcome customers to visit Yuantai Derun Steel Pipe Workshop Recently, Yuantai Derun Steel Pipe Manufacturing Group always comes to some customers for ## Understand the main differences between EN10219 and EN10210 steel pipes [Understand the main differences between EN10219 and EN10210 steel pipes](https://www.ytdrintl.com/news/understand-the-main-differences-between-en10219-and-en10210-steel-pipes/):Steel pipe is an essential component in a variety of industries and applications, providing structural support, conveying fluids and facilitating effi ## A simple method for bending steel pipes [A simple method for bending steel pipes](https://www.ytdrintl.com/news/a-simple-method-for-bending-steel-pipes/):Steel pipe bending is a commonly used processing method for some steel pipe users. Today, I will introduce a simple method for bending steel pipes. ## Army Day | Iron and Steel forging the Soul of the Army [Army Day | Iron and Steel forging the Soul of the Army](https://www.ytdrintl.com/news/army-day-iron-and-steel-forging-the-soul-of-the-army/):The Nanchang Uprising of August 1, 1927. The first shot of armed resistance against the Kuomintang reactionaries was fired. It proclaimed the Commun ## Good news! Tianjin Yuantai Derun Group has obtained API Spec. 5L Certificate [Good news! Tianjin Yuantai Derun Group has obtained API Spec. 5L Certificate](https://www.ytdrintl.com/news/good-news-tianjin-yuantai-derun-group-has-obtained-api-spec-5l-certificate/):The JCOE steel pipe production line of Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. mainly produces structural steel pipes. After su ## The Tianjin Municipal Committee of the Democratic Revolution completed the research and visit work commissioned by the Tianjin Municipal Committee of the Communist Party of China to promote high-quality development of private economy [The Tianjin Municipal Committee of the Democratic Revolution completed the research and visit work commissioned by the Tianjin Municipal Committee of the Communist Party of China to promote high-quality development of private economy](https://www.ytdrintl.com/news/the-tianjin-municipal-committee-of-the-democratic-revolution-completed-the-research-and-visit-work-commissioned-by-the-tianjin-municipal-committee-of-the-communist-party-of-china-to-promote-high-quali/):Resently, Wang Hongmei, the full-time deputy chairman of the Tianjin Municipal Committee of the Democratic Revolution, led a key research group to vis ## The Ultimate Guide to Finding the Best Square Hollow Section Suppliers [The Ultimate Guide to Finding the Best Square Hollow Section Suppliers](https://www.ytdrintl.com/news/the-ultimate-guide-to-finding-the-best-square-hollow-section-suppliers/):introduce: Welcome to our blog, where we aim to provide you with valuable insights and help you find the best suppliers of square hollow sections in t ## Advantages and Development Prospects of Square Tube Manufacturers [Advantages and Development Prospects of Square Tube Manufacturers](https://www.ytdrintl.com/news/advantages-and-development-prospects-of-square-tube-manufacturers/):Square tube, as an important building material, is widely used in various buildings. The manufacturer of square tube is the key to mass production and ## Kuwait Park Project - Yuantai Derun Steel Pipe Group Project Exhibition Episode 5 [Kuwait Park Project - Yuantai Derun Steel Pipe Group Project Exhibition Episode 5](https://www.ytdrintl.com/news/kuwait-park-project-yuantai-derun-steel-pipe-group-project-exhibition-episode-5/):Kuwait Park Many Kuwaiti residents visited Hawali Park in Hawalli Governorate during the Eid al Adha holiday. Hawali Park is one of the largest amusem ## Yuantai Derun Steel Pipe Group's "Quality Month" Activity - Actively Responding to the National Policy of "Strengthening Quality" [Yuantai Derun Steel Pipe Group's "Quality Month" Activity - Actively Responding to the National Policy of "Strengthening Quality"](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-groups-quality-month-activity-actively-responding-to-the-national-policy-of-strengthening-quality/):Recently, the Central Committee of the Communist Party of China and the State Council issued the "Outline of Building a Quality Strong Country". ## Green building evaluation [Green building evaluation](https://www.ytdrintl.com/news/green-building-evaluation/):1. Foreign Green Building Evaluation System ## Congratulations to Tianjin Yuantai Derun Steel Pipe Group for winning the national level single champion demonstration enterprise in the manufacturing industry with borrowed rectangular tubes [Congratulations to Tianjin Yuantai Derun Steel Pipe Group for winning the national level single champion demonstration enterprise in the manufacturing industry with borrowed rectangular tubes](https://www.ytdrintl.com/news/congratulations-to-tianjin-yuantai-derun-steel-pipe-group-for-winning-the-national-level-single-champion-demonstration-enterprise-in-the-manufacturing-industry-with-borrowed-rectangular-tubes/):Recently, the Ministry of Industry and Information Technology of the People's republic held the certificate awarding activity for the seventh batch of ## Analysis of the Development Status and Prospects of Zinc Aluminum Magnesium Sheet and Roll in China [Analysis of the Development Status and Prospects of Zinc Aluminum Magnesium Sheet and Roll in China](https://www.ytdrintl.com/news/analysis-of-the-development-status-and-prospects-of-zinc-aluminum-magnesium-sheet-and-roll-in-china/):In order to provide more reference information for users who want to place an order for zinc aluminum magnesium steel pipes but have not yet placed an ## What are the types of tempering in pipeline pipes? [What are the types of tempering in pipeline pipes?](https://www.ytdrintl.com/news/what-are-the-types-of-tempering-in-pipeline-pipes/):If you really have a sufficient understanding of pipeline pipes, you can better understand that when using this type of pipeline, there are actually s ## 2023 Anchor Media Haihe Manufacturing Night Held to Lead Tianjin Enterprises in Building a Global "Leading Factory" [2023 Anchor Media Haihe Manufacturing Night Held to Lead Tianjin Enterprises in Building a Global "Leading Factory"](https://www.ytdrintl.com/news/2023-anchor-media-haihe-manufacturing-night-held-to-lead-tianjin-enterprises-in-building-a-global-leading-factory/):Source: Tianjin Daily ## Dimensions, theoretical weight, and physical parameters of square steel pipes [Dimensions, theoretical weight, and physical parameters of square steel pipes](https://www.ytdrintl.com/news/dimensions-theoretical-weight-and-physical-parameters-of-square-steel-pipes/):Table A, Theoretical weight and physical parameters of dimensions for square steel pipes ## Tianjin Yuantai Derun Steel Pipe Manufacturing Group Donates to Children with Leukemia among Employees [Tianjin Yuantai Derun Steel Pipe Manufacturing Group Donates to Children with Leukemia among Employees](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-manufacturing-group-donates-to-children-with-leukemia-among-employees/):Tianjin Yuantai Derun Steel Pipe Manufacturing Group Donates to Children with Leukemia among Employees I can't remember clearly, this is the first tim ## Congratulations to Yuantai Derun Steel Pipe Manufacturing Group for obtaining the A-level evaluation certificate of informationization and industrialization two integration management system [Congratulations to Yuantai Derun Steel Pipe Manufacturing Group for obtaining the A-level evaluation certificate of informationization and industrialization two integration management system](https://www.ytdrintl.com/news/congratulations-to-yuantai-derun-steel-pipe-manufacturing-group-for-obtaining-the-a-level-evaluation-certificate-of-informationization-and-industrialization-two-integration-management-system/):Recently, Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. achieved A-level evaluation certification in the National Integrated Manageme ## Tianjin Yuantai Derun Steel Pipe Manufacturing Group wishes everyone a happy Dragon Boat Festival! [Tianjin Yuantai Derun Steel Pipe Manufacturing Group wishes everyone a happy Dragon Boat Festival!](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-manufacturing-group-wishes-everyone-a-happy-dragon-boat-festival/):The annual Dragon Boat Festival is here again. Tianjin Yuantai Derun Steel Pipe Manufacturing Group wishes everyone a happy Dragon Boat Festival! Tia ## Yuantai Derun's circle of friends is getting bigger and bigger-warmly welcome UAE customers to visit and order at Yuantai Derun Steel Pipe Factory [Yuantai Derun's circle of friends is getting bigger and bigger-warmly welcome UAE customers to visit and order at Yuantai Derun Steel Pipe Factory](https://www.ytdrintl.com/news/yuantai-deruns-circle-of-friends-is-getting-bigger-and-bigger/):Recently, a customer from the United Arab Emirates came to Yuantai Derun Steel Pipe Manufacturing Group for on-site inspection and inspection. The exp ## How is square tube produced? How to divide materials? [How is square tube produced? How to divide materials?](https://www.ytdrintl.com/news/how-is-square-tube-produced-how-to-divide-materials/):Square tube is an essential material for global construction and modernization, with a wide range of applications and a wide variety. According to dif ## Tube China 2023 International Pipe Exhibition Yuantai invites you to attend the pipe industry event from June 14th to 16th [Tube China 2023 International Pipe Exhibition Yuantai invites you to attend the pipe industry event from June 14th to 16th](https://www.ytdrintl.com/news/tube-china-2023-international-pipe-exhibition-yuantai-invites-you-to-attend-the-pipe-industry-event-from-june-14th-to-16th/):Tube China 2023 International Pipe Exhibition Yuantai Derun invites you to attend the pipe industry event from June 14th to 16th ## Lam Tin Tunnel project-Tianjin Yuantai Derun Steel Pipe Manufacturing Group Engineering Case Sharing Episode 4 [Lam Tin Tunnel project-Tianjin Yuantai Derun Steel Pipe Manufacturing Group Engineering Case Sharing Episode 4](https://www.ytdrintl.com/news/lam-tin-tunnel-project-tianjin-yuantai-derun-steel-pipe-manufacturing-group-engineering-case-sharing-episode-4/):Structural components of noise barrier and highway sign gantry for Tseung Kwan O - Lam Tin Tunnel project ## Zinc aluminum magnesium steel pipes that can make ordinary galvanized steel pipes "fearful" [Zinc aluminum magnesium steel pipes that can make ordinary galvanized steel pipes "fearful"](https://www.ytdrintl.com/news/zinc-aluminum-magnesium-steel-pipes-that-can-make-ordinary-galvanized-steel-pipes-fearful/):Zinc aluminum magnesium steel pipe is a new type of lightweight and high-strength steel pipe， and its emergence has made ordinary galvanized steel ## Zinc aluminum magnesium steel pipe VS galvanized steel pipe-Salt spray test [Zinc aluminum magnesium steel pipe VS galvanized steel pipe-Salt spray test](https://www.ytdrintl.com/news/zinc-aluminum-magnesium-steel-pipe-vs-galvanized-steel-pipe-salt-spray-test/):Zinc aluminum magnesium steel pipe VS galvanized steel pipe-Salt spray test ## Engineering Case Display Episode 3-Kallang Football Facility Structural components-Yuantai Derun Steel Pipe Group [Engineering Case Display Episode 3-Kallang Football Facility Structural components-Yuantai Derun Steel Pipe Group](https://www.ytdrintl.com/news/engineering-case-display-episode-3-kallang-football-facility-structural-components-yuantai-derun-steel-pipe-group/):Today, the editor has brought you the third episode of our engineering case presentation from Taiderun Steel Pipe Manufacturing Group - Kalling Footba ## Tianjin Yuantai Derun Steel Pipe Engineering Case Series Exhibition and Broadcast Episode 2 [Tianjin Yuantai Derun Steel Pipe Engineering Case Series Exhibition and Broadcast Episode 2](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-engineering-case-series-exhibition-and-broadcast-episode-2/):Tianjin Yuantai Derun Steel Pipe Engineering Case Series Exhibition and Broadcast Episode 2 Case Name: Hong Kong T2 Terminal Expansion Project Usage: ## The Most Complete Specification Table of Steel Hollow Sections in History [The Most Complete Specification Table of Steel Hollow Sections in History](https://www.ytdrintl.com/news/the-most-complete-specification-table-of-steel-hollow-sections-in-history/):Yuantai Derun Steel Pipe Manufacturing Group has prepared what may be the most comprehensive specification table for structural steel hollow sections ## Congratulations to Tianjin Bosi Testing Co., Ltd., a subsidiary of Yuantai Derun Steel Pipe Group, for passing the CNAS certification. [Congratulations to Tianjin Bosi Testing Co., Ltd., a subsidiary of Yuantai Derun Steel Pipe Group, for passing the CNAS certification. ](https://www.ytdrintl.com/news/congratulations-to-tianjin-bosi-testing-co-ltd-a-subsidiary-of-yuantai-derun-steel-pipe-group-for-passing-the-cnas-certification/):Congratulations to Tianjin Bosi Testing Co., Ltd., a subsidiary of Yuantai Derun Steel Pipe Group, for passing the CNAS certification. Yuantai Derun G ## Liu Kaisong, General Manager of Tianjin Yuantai Derun Steel Pipe Group, Attends the 2023 Sichuan Steel Market Summit Forum of Lange Steel Network [Liu Kaisong, General Manager of Tianjin Yuantai Derun Steel Pipe Group, Attends the 2023 Sichuan Steel Market Summit Forum of Lange Steel Network](https://www.ytdrintl.com/news/liu-kaisong-general-manager-of-tianjin-yuantai-derun-steel-pipe-group-attends-the-2023-sichuan-steel-market-summit-forum-of-lange-steel-network/):Liu Kaisong, General Manager of Tianjin Yuantai Derun Steel Pipe Group, Attends the 2023 Sichuan Steel Market Summit Forum of Lange Steel Network. On ## I am not fragile, I am the single champion in the square rectangular steel pipe manufacturing industry [I am not fragile, I am the single champion in the square rectangular steel pipe manufacturing industry](https://www.ytdrintl.com/news/i-am-not-fragile-i-am-the-single-champion-in-the-square-rectangular-steel-pipe-manufacturing-industry/):I am not fragile, I am the single champion in the square rectangular steel pipe manufacturing industry ## Liu Kaisong, deputy general manager of Yuantai Derun, was invited to attend the 2023 North China Black Metal Industry Summit Forum -- Pipe-Coil-forum [Liu Kaisong, deputy general manager of Yuantai Derun, was invited to attend the 2023 North China Black Metal Industry Summit Forum -- Pipe-Coil-forum](https://www.ytdrintl.com/news/liu-kaisong-deputy-general-manager-of-yuantai-derun-was-invited-to-attend-the-2023-north-china-black-metal-industry-summit-forum-pipe-coil-forum/):Liu Kaisong, deputy general manager of Yuantai Derun, was invited to attend the 2023 North China Black Metal Industry Summit Forum -- Pipe-Coil-forum ## The First Meeting of the Fourth Membership Conference of Tianjin Metal Association was grandly held [ The First Meeting of the Fourth Membership Conference of Tianjin Metal Association was grandly held ](https://www.ytdrintl.com/news/the-first-meeting-of-the-fourth-membership-conference-of-tianjin-metal-association-was-grandly-held/):Adhere to integrity, innovate, work hard, and move forward with courage and perseverance ## Steel hollow section --Why choose us? [Steel hollow section --Why choose us?](https://www.ytdrintl.com/news/steel-hollow-section-why-choose-us/): First of all, our company has rich experience in this industry. ## Happy International Labor Day [Happy International Labor Day](https://www.ytdrintl.com/news/happy-international-labor-day/): Happy International Labor Day International Labor Day, also known as "May Day", is a national holiday in over 80 countries around the world, schedu ## Congratulations Tangshan Yuantai Derun Steel Pipe Co., Ltd. is in steady trial operation! [Congratulations Tangshan Yuantai Derun Steel Pipe Co., Ltd. is in steady trial operation!](https://www.ytdrintl.com/news/congratulations-tangshan-yuantai-derun-steel-pipe-co-ltd-is-in-steady-trial-operation/):Tangshan Yuantai Derun Steel Pipe Co. ## Ten Precautions for Steel Pipe Hoisting Operation [Ten Precautions for Steel Pipe Hoisting Operation](https://www.ytdrintl.com/news/ten-precautions-for-steel-pipe-hoisting-operation/):1. Find a safe station ## World Earth Day - Yuantai Derun Steel Pipe Group Launches 5 Major Initiatives [World Earth Day - Yuantai Derun Steel Pipe Group Launches 5 Major Initiatives](https://www.ytdrintl.com/news/world-earth-day-yuantai-derun-steel-pipe-group-launches-5-major-initiatives/): The 63rd United Nations General Assembly resolution in 2009 designated April 22nd as World Earth Day. From environmental initiatives on American cam ## 5 magical things you never know about steel [5 magical things you never know about steel](https://www.ytdrintl.com/news/5-magical-things-you-never-know-about-steel/):5 magical things you never know about steel ## Some technical insights on 1 x 3 rectangular tubing [Some technical insights on 1 x 3 rectangular tubing](https://www.ytdrintl.com/news/some-technical-insights-on-1-x-3-rectangular-tubing/):Rectangular tubing is widely used in construction, manufacturing, and engineering projects due to its strength, durability, and versatility. The 1 x 3 ## Introduction to ASTM A519 AISI 4130 Alloy Seamless Steel Pipe [Introduction to ASTM A519 AISI 4130 Alloy Seamless Steel Pipe](https://www.ytdrintl.com/news/introduction-to-astm-a519-aisi-4130-alloy-seamless-steel-pipe/):4130 is a chromium molybdenum alloy steel pipe model. Chromium molybdenum steel alloy steel pipe is a type of seamless steel pipe, and its performance ## Congratulations to Tianjin Yuantai derun Steel Pipe Manufacturing Group Co., Ltd. for passing the certification of ABS American Bureau of Shipping [Congratulations to Tianjin Yuantai derun Steel Pipe Manufacturing Group Co., Ltd. for passing the certification of ABS American Bureau of Shipping](https://www.ytdrintl.com/news/congratulations-to-tianjin-yuantaiderun-steel-pipe-manufacturing-group-co-ltd-for-passing-the-certification-of-abs-american-bureau-of-shipping/):As shipbuilders know, purchasing the right steel pipe is a critical step in ensuring the quality and safety of the ships they build. There are many fa ## Today's Qingming Festival [Today's Qingming Festival](https://www.ytdrintl.com/news/todays-qingming-festival/):Today's Qingming Festival At this moment when all things grow, they are clean and bright, hence it is called Qingming. This season is full of sunshine ## Invitation Letter for the 133th Canton Fair-Tianjin Yuantai Derun Steel Pipe Manufacturing Group [Invitation Letter for the 133th Canton Fair-Tianjin Yuantai Derun Steel Pipe Manufacturing Group](https://www.ytdrintl.com/news/invitation-letter-for-the-133th-canton-fair-tianjin-yuantai-derun-steel-pipe-manufacturing-group/):Dear friends: Long time no see!We are Tianjin Yuantai Derun Steel Pipe Manufacturing Group,2023.4.15-2023.4.19, Yuantai Derun is the largest manufac ## Liu Baoshun, Secretary General of Tianjin Industrial Design Association, Cui Lixiang, Vice President, and other leaders visited and guided [Liu Baoshun, Secretary General of Tianjin Industrial Design Association, Cui Lixiang, Vice President, and other leaders visited and guided](https://www.ytdrintl.com/news/liu-baoshun-secretary-general-of-tianjin-industrial-design-association-cui-lixiang-vice-president-and-other-leaders-visited-and-guided/):On March 17th, a delegation led by Liu Baoshun, Secretary General of Tianjin Industrial Design Association, and Cui Lixiang, Vice President, visited T ## Tianjin Yuantai Derun Steel Pipe Manufacturing Group at the 26th Philippine International Building Materials Exhibition [Tianjin Yuantai Derun Steel Pipe Manufacturing Group at the 26th Philippine International Building Materials Exhibition](https://www.ytdrintl.com/news/tianjin-yuantai-derun-steel-pipe-manufacturing-group-at-the-26th-philippine-international-building-materials-exhibition/):Today is the second day of Tianjin Yuantai Derun Steel Pipe Manufacturing Group's launch at the 26th Philippine International Building Materials Exhib ## Take investment promotion as the "number one project" in Jinghai District to do a good job in this "combination boxing" [Take investment promotion as the "number one project" in Jinghai District to do a good job in this "combination boxing"](https://www.ytdrintl.com/news/take-investment-promotion-as-the-number-one-project-in-jinghai-district-to-do-a-good-job-in-this-combination-boxing/):Tianjin Beifang News: On March 6, Qu Haifu, the mayor of Jinghai District, made a special plan for the live program "See the action and see the effect ## EXHIBITION INVITATION LETTER | YUANTAI DERUN WAITS FOR YOU AT THE PHILIPPINE INTERNATIONAL BUILDING MATERIALS WORLD EXPO (2023.3.16-2023.3.19) [EXHIBITION INVITATION LETTER | YUANTAI DERUN WAITS FOR YOU AT THE PHILIPPINE INTERNATIONAL BUILDING MATERIALS WORLD EXPO (2023.3.16-2023.3.19)](https://www.ytdrintl.com/news/exhibition-invitation-letter-yuantai-derun-waits-for-you-at-the-philippine-international-building-materials-world-expo-2023-3-16-2023-319/):YUANTAI DERUN GROUP SINCERELY INVITES YOU TO COME TO OUR PHILIPPINE INTERNATIONAL BUILDING MATERIALS EXHIBITION WORLDBEX ## How to calculate the weight of a square steel pipe with rounded corners? [How to calculate the weight of a square steel pipe with rounded corners?](https://www.ytdrintl.com/news/how-to-calculate-the-weight-of-a-square-steel-pipe-with-rounded-corners/):Square or rectangular steel pipes are commonly used in construction projects and are generally used for pipe installation supports, temporary site acc ## Recent trend forecast of square tube price [Recent trend forecast of square tube price](https://www.ytdrintl.com/news/recent-trend-forecast-of-square-tube-price/):The market is bullish and the market is not willing to ship, so we should hold the wait-and-see trend. But we also remind you that the leading steel e ## Galvanized square pipe is a common building material [Galvanized square pipe is a common building material](https://www.ytdrintl.com/news/galvanized-square-pipe-is-a-common-building-material/):Galvanized square pipe is a common building material. It not only has good corrosion resistance and strength, but also can be installed conveniently a ## Happy International Women's Day-Tianjin Yuantai Derun Steel Pipe Manufacturing Group Best wishes to female friends [Happy International Women's Day-Tianjin Yuantai Derun Steel Pipe Manufacturing Group Best wishes to female friends](https://www.ytdrintl.com/news/happy-international-womens-day-tianjin-yuantai-derun-steel-pipe-manufacturing-group-best-wishes-to-female-friends/):Bless the global women friends: Happy Women's Day! ## Advantages of steel structure residential buildings [Advantages of steel structure residential buildings](https://www.ytdrintl.com/news/advantages-of-steel-structure-residential-buildings/):Many people have little knowledge of steel structure. Today, Xiaobian will take you to review the advantages of steel structure housing. (1) Excellen ## The global steel price has regained its momentum, and the market has risen again [The global steel price has regained its momentum, and the market has risen again](https://www.ytdrintl.com/news/the-global-steel-price-has-regained-its-momentum-and-the-market-has-risen-again/):The international steel market rose in February. During the reporting period, the global steel benchmark price index of Steel House at 141.4 points ro ## Tianjin Yuantai Derun Group attended the first general meeting of the Tianjin Federation of Industrial Economics as a national single-crown enterprise [Tianjin Yuantai Derun Group attended the first general meeting of the Tianjin Federation of Industrial Economics as a national single-crown enterprise](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-attended-the-first-general-meeting-of-the-tianjin-federation-of-industrial-economics-as-a-national-single-crown-enterprise/):On February 22, 2023, the Tianjin Industrial Economic Federation was established. The first general meeting was held in Saixiang Hotel, Tianjin. ## Today in Tuanbowa -- Welcome friends from all over the world! [Today in Tuanbowa -- Welcome friends from all over the world!](https://www.ytdrintl.com/news/today-in-tuanbowa-the-documentary-of-promoting-high-quality-development-in-jinghai-district-tianjin/):Tuanpowa in Jinghai District of Tianjin was once well-known for the poem "Autumn in Tuanbowa" by Guo Xiaochuan. Great changes have taken place. Tuanbo ## What is high-strength square tube? [What is high-strength square tube?](https://www.ytdrintl.com/news/what-is-high-strength-square-tube/): What is high-strength square tube? What is its purpose? What are the performance parameters? Today we will show you. The performance characterist ## What are the advantages of the square steel pipe produced by Yuantai Derun? [What are the advantages of the square steel pipe produced by Yuantai Derun?](https://www.ytdrintl.com/news/what-are-the-advantages-of-the-square-steel-pipe-produced-by-yuantai-derun/):Square tube is a kind of hollow square section light thin-walled steel pipe, also known as steel cold-formed section. It is made of Q235 hot-rolled or ## Square rectangular steel pipe is the choice of round to-square forming method good, or choose the Direct Forming Technology（ DFT ）method good? [Square rectangular steel pipe is the choice of round to-square forming method good, or choose the Direct Forming Technology（ DFT ）method good? ](https://www.ytdrintl.com/news/is-it-better-to-square-square-the-square-tube-or-to-square-it-directly-the-square-tube-manufacturer-will-answer-for-you/):Is it better to square square the square tube or to square it directly? The square tube manufacturer will answer for you   There are three meth ## Yuantai Derun Group warmly welcomes the visit of Lange Chairman Liu Changqing and his delegation [Yuantai Derun Group warmly welcomes the visit of Lange Chairman Liu Changqing and his delegation](https://www.ytdrintl.com/news/yuantai-derun-group-warmly-welcomes-the-visit-of-lange-chairman-liu-changqing-and-his-delegation/):Yuantai Derun Group warmly welcomes the visit of Lange Chairman Liu Changqing and his delegation ## Tangshan Yuantai Derun high-quality steel pipe project with an annual output of 3 million tons is guaranteed to be put into production [Tangshan Yuantai Derun high-quality steel pipe project with an annual output of 3 million tons is guaranteed to be put into production](https://www.ytdrintl.com/news/tangshan-yuantai-derun-high-quality-steel-pipe-project-with-an-annual-output-of-3-million-tons-is-guaranteed-to-be-put-into-production/):Tangshan 2023 key project plan issued: 63 steel projects, including Tangshan Yuantai Derun's high-quality steel pipe project with an annual output of ## Yuantai Derun Group attended the exchange forum between leaders of Tianjin Metal Association and Shanghai Steel Union [Yuantai Derun Group attended the exchange forum between leaders of Tianjin Metal Association and Shanghai Steel Union](https://www.ytdrintl.com/news/yuantai-derun-group-attended-the-exchange-forum-between-leaders-of-tianjin-metal-association-and-shanghai-steel-union/): On February 7, 2023, Tianjin Metal Materials Industry Association welcomed Zhu Junhong, Chairman of Shanghai Ganglian (300226) E-Commerce Co., Ltd. ## The world's top ten romantic steel structures buildings [The world's top ten romantic steel structures buildings](https://www.ytdrintl.com/news/the-worlds-top-ten-romantic-steel-structures-buildings/):The steel structure architecture combines the style and beauty of classical and modern architecture. Many large buildings around the world use steel s ## How to buy high-quality square tube? [How to buy high-quality square tube?](https://www.ytdrintl.com/news/how-to-buy-high-quality-square-tube/):The square tube is the main material in the building. The most important thing for us is the quality. Most construction companies need to purchase mor ## Earthquake resistant buildings - enlightenment from Türkiye Syria earthquake [Earthquake resistant buildings - enlightenment from Türkiye Syria earthquake](https://www.ytdrintl.com/news/earthquake-resistant-buildings-enlightenment-from-turkiye-syria-earthquake/):Earthquake resistant buildings - enlightenment from Türkiye Syria earthquake According to the latest news from many media, the earthquake in Türkiye ## Steel Tubing Is Green! [Steel Tubing Is Green!](https://www.ytdrintl.com/news/steel-tubing-is-green/):The use of steel tube is not only safer for people, but also safer for the environment.But why do we say that? Steel Is Highly Recyclable It is a li ## Focus on scientific and technological innovation and lead the high-quality development of rectangular tube industry [Focus on scientific and technological innovation and lead the high-quality development of rectangular tube industry](https://www.ytdrintl.com/news/focus-on-scientific-and-technological-innovation-and-lead-the-high-quality-development-of-rectangular-tube-industry/):"This production line is the most advanced JCOE straight-seam double-sided submerged arc welded pipe production line in China." ## Ten most exquisite pavilions in the world [Ten most exquisite pavilions in the world](https://www.ytdrintl.com/news/ten-most-exquisite-pavilions-in-the-world/): The pavilion is the smallest building that can be seen everywhere in our life; Whether it is the arbor in the park, the stone pavilion in the Buddhi ## 10 architectural advantages of applying the green building concept [10 architectural advantages of applying the green building concept](https://www.ytdrintl.com/news/10-architectural-advantages-of-applying-the-green-building-concept/):Green building, an environmentally friendly building concept, is still a trend until now. The concept tries to present a building that is integrated w ## Low temperature seamless steel pipe that can work in extremely cold environment of - 45~- 195 ℃ [Low temperature seamless steel pipe that can work in extremely cold environment of - 45~- 195 ℃](https://www.ytdrintl.com/news/low-temperature-seamless-steel-pipe-that-can-work-in-extremely-cold-environment-of-45-195/):Definition: low temperature steel pipe is medium carbon structural steel. The cold and hot and low temperature steel pipes have good performance, good ## Good Start-Yuantai Derun Steel Pipe Manufacturing Group [Good Start-Yuantai Derun Steel Pipe Manufacturing Group](https://www.ytdrintl.com/news/good-start-yuantai-derun-steel-pipe-manufacturing-group/):With the end of the Spring Festival holiday, we have embarked on a new journey.   The title page of the new year has been opened, and "work har ## Looking forward to 2023: What is Tianjin based on to fight for the economy? [Looking forward to 2023: What is Tianjin based on to fight for the economy?](https://www.ytdrintl.com/news/looking-forward-to-2023-what-is-tianjin-based-on-to-fight-for-the-economy/):From the resilience of Tianjin's economy, we can see that Tianjin's development has a solid foundation and support. By exploring this resilience, we c ## Tianjin Yuantai Derun Group's square and rectangular welded steel pipes were awarded AAAAA product certification by the Institute of Metallurgical Industry Planning [Tianjin Yuantai Derun Group's square and rectangular welded steel pipes were awarded AAAAA product certification by the Institute of Metallurgical Industry Planning](https://www.ytdrintl.com/news/tianjin-yuantai-derun-groups-square-and-rectangular-welded-steel-pipes-were-awarded-aaaaa-product-certification-by-the-institute-of-metallurgical-industry-planning/):Tianjin Yuantai Derun Group's square and rectangular welded steel pipes were awarded AAAAA product certification by the Institute of Metallurgical Ind ## The 18th China Iron and Steel Industry Chain Market Summit and the 2022 annual meeting of Lange Steel Network were successfully held [The 18th China Iron and Steel Industry Chain Market Summit and the 2022 annual meeting of Lange Steel Network were successfully held](https://www.ytdrintl.com/news/the-18th-china-iron-and-steel-industry-chain-market-summit-and-the-2022-annual-meeting-of-lange-steel-network-were-successfully-held/):From January 7 to 8, the annual top event of China's steel industry, the "18th China Steel Industry Chain Market Summit and Lange Steel 2022 Annual Me ## Behind the "Jinghai IP in the World" hot search [Behind the "Jinghai IP in the World" hot search](https://www.ytdrintl.com/news/behind-the-jinghai-ip-in-the-world-hot-search/):Source: Enorth.com.cn Author: Evening News Liu Yu Editor: Sun Chang ## Good News - Congratulations on the round pipe products of Yuantaiderun Steel Pipe Manufacturing Group have obtained the European standard certification! [Good News - Congratulations on the round pipe products of Yuantaiderun Steel Pipe Manufacturing Group have obtained the European standard certification!](https://www.ytdrintl.com/news/good-news-congratulations-on-the-round-pipe-products-of-yuantaiderun-steel-pipe-manufacturing-group-have-obtained-the-european-standard-certification/):Good News - Congratulations on the round pipe products of Tianjin Yuantai derun Steel Pipe Manufacturing Group have obtained the European standard cer ## Sharp corner square tube: how to distinguish large diameter from small diameter? [Sharp corner square tube: how to distinguish large diameter from small diameter?](https://www.ytdrintl.com/news/sharp-corner-square-tube-how-to-distinguish-large-diameter-from-small-diameter/):The diameters of sharp rectangular pipes are large and small. But how do we tell the difference? ## The Importance of LEED Certification in Modern Architecture [The Importance of LEED Certification in Modern Architecture](https://www.ytdrintl.com/news/the-importance-of-leed-certification-in-modern-architecture/):Environmental, Health and Economic Benefits - What exactly is LEED Certification? Why is it important in modern architecture? ## Comparison between straight seam steel pipe and spiral steel pipe [Comparison between straight seam steel pipe and spiral steel pipe](https://www.ytdrintl.com/news/comparison-between-straight-seam-steel-pipe-and-spiral-steel-pipe/): 1. Production process comparison The production process of straight seam steel pipe is relatively simple. The main production processes are high ## Happy New Year - China's steel hollow section brand leader [Happy New Year - China's steel hollow section brand leader](https://www.ytdrintl.com/news/happy-new-year-chinas-steel-hollow-section-brand-leader/):Mountains and rivers can block the sight, but cannot separate the deep yearning: the longitude and latitude lines can open the distance, but cannot bl ## Three core advantages-Tianjin Yuantai Derun Steel Pipe Manufacturing Group [Three core advantages-Tianjin Yuantai Derun Steel Pipe Manufacturing Group](https://www.ytdrintl.com/news/three-core-advantages-tianjin-yuantai-derun-steel-pipe-manufacturing-group/):Tianjin Yuantai Derun Steel Pipe Manufacturing Group aims to be a century old brand and set a quality benchmark, in order to provide excellent product ## Accelerate digital transformation and upgrading, and drive the coordinated development of enterprises in the same industry [Accelerate digital transformation and upgrading, and drive the coordinated development of enterprises in the same industry](https://www.ytdrintl.com/news/accelerate-digital-transformation-and-upgrading-and-drive-the-coordinated-development-of-enterprises-in-the-same-industry/):Tianjin Yuantai Derun Steel Pipe Manufacturing Group, together with Haier Digital and other smart manufacturing benchmarking enterprises, carried out ## The difference between square tube and square steel [The difference between square tube and square steel](https://www.ytdrintl.com/news/the-difference-between-square-tube-and-square-steel/):Author: Tianjin Yuantai Derun Steel Pipe Manufacturing Group ## Rapid detection equipment and detection method in the production process of multi size thick wall rectangular tube [Rapid detection equipment and detection method in the production process of multi size thick wall rectangular tube](https://www.ytdrintl.com/news/rapid-detection-equipment-and-detection-method-in-the-production-process-of-multi-size-thick-wall-rectangular-tube/):Application (patent) No.: CN202210257549.3 Application date: March 16, 2022 Publication/Announcement No.: CN114441352A Publication/announcement date: ## What are the certification standards of Yuantai Derun Steel Pipe Manufacturing Group? [What are the certification standards of Yuantai Derun Steel Pipe Manufacturing Group?](https://www.ytdrintl.com/news/what-are-the-certification-standards-of-yuantai-derun-steel-pipe-manufacturing-group/):Quality certification, to some extent, indicates whether the product quality is up to the standard. At present, many steel plants and enterprises are ## Merry Christmas to all of you! [Merry Christmas to all of you!](https://www.ytdrintl.com/news/merry-christmas-to-all-of-you/): Merry Christmas to all of you!                                                                           � ## Identification of fake and inferior rectangular tubes [Identification of fake and inferior rectangular tubes](https://www.ytdrintl.com/news/identification-of-fake-and-inferior-rectangular-tubes/):The square tube market is a mixture of good and bad, and the quality of square tube products is also very different. In order to let customers pay att ## The market output of rectangular tube in China is 12.2615 million tons [The market output of rectangular tube in China is 12.2615 million tons](https://www.ytdrintl.com/news/the-market-output-of-rectangular-tube-in-china-is-12-2615-million-tons/):Square pipe is a kind of name for square pipe and rectangular pipe, that is, steel pipes with equal and unequal side lengths. It is rolled from strip ## What is the difference between hot rolling and cold rolling? [What is the difference between hot rolling and cold rolling?](https://www.ytdrintl.com/news/what-is-the-difference-between-hot-rolling-and-cold-rolling/):The difference between hot rolling and cold rolling is mainly the temperature of rolling process. "Cold" means normal temperature, and "hot" means hig ## Several Section Forms of High rise Steel Structure Members [Several Section Forms of High rise Steel Structure Members](https://www.ytdrintl.com/news/several-section-forms-of-high-rise-steel-structure-members/):1、 Axially stressed member The axial force bearing member mainly refers to the member bearing axial tension or axial pressure, which is the simples ## Congratulations on Messi winning the World Cup! Congratulations to all our South American customers! [Congratulations on Messi winning the World Cup! Congratulations to all our South American customers!](https://www.ytdrintl.com/news/congratulations-on-messi-winning-the-world-cup-congratulations-to-all-our-south-american-customers/):Congratulations on Messi winning the World Cup! Congratulations to all our South American customers! After 36 years, Argentina won the championship a ## Yuantai Derun Steel Pipe Manufacturing Group - Square and Rectangular Pipe Project Case [Yuantai Derun Steel Pipe Manufacturing Group - Square and Rectangular Pipe Project Case](https://www.ytdrintl.com/news/yuantai-derun-steel-pipe-manufacturing-group-square-and-rectangular-pipe-project-case/):The square tube of Yuantai Derun is widely used. It has participated in major engineering cases for many times. According to different use scenarios, ## How is the R angle of square tube specified in the national standard? [How is the R angle of square tube specified in the national standard?](https://www.ytdrintl.com/news/how-is-the-r-angle-of-square-tube-specified-in-the-national-standard/):When we purchase and use square tube, the most important point to judge whether the product meets the standard is the value of R angle. How is the R a ## What Is JCOE Pipe? [What Is JCOE Pipe?](https://www.ytdrintl.com/news/what-is-jcoe-pipe/): Straight seam double-sided submerged arc welded pipe is JCOE pipe. Straight seam steel pipe is classified into two types based on the manufacturing ## Promote the early commencement of major projects [Promote the early commencement of major projects](https://www.ytdrintl.com/news/promote-the-early-commencement-of-major-projects/):Towards the end of the year, the construction of major projects sounded the "bugle" of the year's goal. Following the emphasis on "accelerating the co ## Tianjin Yuantai Derun Group won the manufacturing industry single demonstration enterprise with its main product square tube! [Tianjin Yuantai Derun Group won the manufacturing industry single demonstration enterprise with its main product square tube!](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-won-the-manufacturing-industry-single-demonstration-enterprise-with-its-main-product-square-tube/):Recently, the Ministry of Industry and Information Technology and the China Federation of Industrial Economics organized the cultivation and selection ## Square tube industry tips [Square tube industry tips](https://www.ytdrintl.com/news/square-tube-industry-tips/):Square tube is a kind of hollow square section shape steel tube, also known as square tube, rectangular tube. Its specification is expressed in mm of ## What are the main cutting methods for rectangular tubes? [What are the main cutting methods for rectangular tubes?](https://www.ytdrintl.com/news/what-are-the-main-cutting-methods-for-rectangular-tubes/):The following five cutting methods of rectangular tubes are introduced: （1） Pipe cutting machine The pipe cutting machine has simple equipment, le ## Qatar World Cup venue pipe supplier - Tianjin Yuantai Derun Steel Pipe Manufacturing Group [Qatar World Cup venue pipe supplier - Tianjin Yuantai Derun Steel Pipe Manufacturing Group](https://www.ytdrintl.com/news/qatar-world-cup-venue-pipe-supplier-tianjin-yuantai-derun-steel-pipe-manufacturing-group/):In the middle of December 2021, Tianjin Yuantai Derun Steel Pipe Manufacturing Group received a project consultation, which was confirmed repeatedly a ## What is the cause of square tube cracking? [What is the cause of square tube cracking?](https://www.ytdrintl.com/news/what-is-the-cause-of-square-tube-cracking/):   1. It is mainly the problem of base metal. 2. Seamless steel pipes are not annealed square pipes, which are hard and soft. It is not easy to ## What factors will affect the feeding accuracy of square tube? [What factors will affect the feeding accuracy of square tube?](https://www.ytdrintl.com/news/what-factors-will-affect-the-feeding-accuracy-of-square-tube/):During the production of square and rectangular tubes, the feeding accuracy directly affects the accuracy and quality of the formed products. Today we ## Yuantai Derun won the title of "Taxpayer Credit Class A Taxpayer" in China [Yuantai Derun won the title of "Taxpayer Credit Class A Taxpayer" in China](https://www.ytdrintl.com/news/yuantai-derun-won-the-title-of-taxpayer-credit-class-a-taxpayer-in-china/):On November 21, 2022, Tianjin Yuantai Derun Steel Pipe Manufacturing Group won the title of "Class A Taxpayer of Tax Credit", "National Champion Enter ## Dn、De、D、d、 Φ How to distinguish? [Dn、De、D、d、 Φ How to distinguish?](https://www.ytdrintl.com/news/dn-de-d-d-%cf%86-how-to-distinguish/):Pipe diameter De, DN, d ф Meaning ## What are the advantages of general seamless square tube? [What are the advantages of general seamless square tube?](https://www.ytdrintl.com/news/what-are-the-advantages-of-general-seamless-square-tube/):Seamless square and rectangular tube has good strength, toughness, plasticity, welding and other technological properties, and good ductility. Its all ## Tianjin: Focusing on improving quality and efficiency to ensure green and high-quality development [Tianjin: Focusing on improving quality and efficiency to ensure green and high-quality development](https://www.ytdrintl.com/news/tianjin-focusing-on-improving-quality-and-efficiency-to-ensure-green-and-high-quality-development/):We are firmly committed to high-quality development. Tianjin will not compete with others by numbers. We will focus on quality, efficiency, structure ## Production process of hot-dip galvanized steel pipe [Production process of hot-dip galvanized steel pipe](https://www.ytdrintl.com/news/production-process-of-hot-dip-galvanized-steel-pipe/):Hot dip galvanized steel pipe, also known as hot dip galvanized pipe, is a steel pipe that is galvanized for general steel pipe to improve its service ## Tianjin Yuantaiderun Group Successfully Signed the Largest PV Base Project in China [Tianjin Yuantaiderun Group Successfully Signed the Largest PV Base Project in China](https://www.ytdrintl.com/news/tianjin-yuantaiderun-group-successfully-signed-the-largest-pv-base-project-in-china/): Through the successful project practice of 2017 Egypt project structure hot-dip galvanized square pipe and 2019 Qinghai project structure hot-dip ga ## Pay attention to preventing enterprise fraud [Pay attention to preventing enterprise fraud](https://www.ytdrintl.com/news/pay-attention-to-preventing-enterprise-fraud/):Tianjin Yuantai Derun Group has 20 wholly-owned subsidiaries, and the legal representative of the company is Gao Shucheng, the chairman of the board: ## Tianjin Yuantai Derun Polishes the Business Card of China Steel Pipe [Tianjin Yuantai Derun Polishes the Business Card of China Steel Pipe](https://www.ytdrintl.com/news/tianjin-yuantai-derun-polishes-the-business-card-of-china-steel-pipe/): Tianjin Yuantaiderun Group, as a national high-tech enterprise and a leading enterprise in China's rectangular tube industry, is a large joint enter ## Green is the characteristic [Green is the characteristic](https://www.ytdrintl.com/news/green-is-the-characteristic/): As a private enterprise, the former Tianjin Yuantaiderun Group mainly produces low-end steel pipes, which are seriously homogeneous in the mar ## Countdown to the opening of the 132nd Canton Fair! Look at these highlights first [Countdown to the opening of the 132nd Canton Fair! Look at these highlights first](https://www.ytdrintl.com/news/countdown-to-the-opening-of-the-132nd-canton-fair-look-at-these-highlights-first/):The 132nd Canton Fair will be opened online on October 15. ## The 132nd Canton Fair entered 3 days of countdown - Tianjin Yuantaiderun Steel Pipe Manufacturing Group Co., Ltd [The 132nd Canton Fair entered 3 days of countdown - Tianjin Yuantaiderun Steel Pipe Manufacturing Group Co., Ltd](https://www.ytdrintl.com/news/the-132nd-canton-fair-entered-3-days-of-countdown-tianjin-yuantaiderun-steel-pipe-manufacturing-group-co-ltd/):The 132nd Canton Fair entered 3 days of countdown - Tianjin Yuantaiderun Steel Pipe Manufacturing Group Co., Ltd ## Congratulations to Tianjin Yuantai Derun Steel Pipe Manufacturing Group for obtaining the DNV certificate [Congratulations to Tianjin Yuantai Derun Steel Pipe Manufacturing Group for obtaining the DNV certificate](https://www.ytdrintl.com/news/congratulations-to-tianjin-yuantai-derun-steel-pipe-manufacturing-group-for-obtaining-the-dnv-certificate/):Congratulations to Tianjin Yuantai Derun Steel Pipe Manufacturing Group for obtaining the DNV certificate and opening up new market opportunities in t ## Steel Pipe Market Share, Growth 2022 Global Industry Size, Future Trends, Growth Key Factors, Demand, Sales & Income, Manufacture Players, Application, Scope, and Opportunities Analysis by Outlook-2025 [Steel Pipe Market Share, Growth 2022 Global Industry Size, Future Trends, Growth Key Factors, Demand, Sales & Income, Manufacture Players, Application, Scope, and Opportunities Analysis by Outlook-2025](https://www.ytdrintl.com/news/steel-pipe-market-share-growth-2022-global-industry-size-future-trends-growth-key-factors-demand-sales-income-manufacture-players-application-scope-and-opportunities-analysis-by-outlook-202/):Steel Pipe Market Global 2022 presents detailed competitive analysis including the market Share, Size, Future scope. This study categorizes the global ## Wish the great motherland more prosperous and prosperous - Celebrating China National Day [Wish the great motherland more prosperous and prosperous - Celebrating China National Day](https://www.ytdrintl.com/news/wish-the-great-motherland-more-prosperous-and-prosperous-celebrating-china-national-day/):Wish the great motherland more prosperous and prosperous - Celebrating China National Day ## Tianjin Yuantai Derun Group JCOE Φ 1420 large straight seam sewing machine was put into operation to fill the gap in Tianjin market [Tianjin Yuantai Derun Group JCOE Φ 1420 large straight seam sewing machine was put into operation to fill the gap in Tianjin market](https://www.ytdrintl.com/news/tianjin-yuantai-derun-group-jcoe-%cf%86-1420-large-straight-seam-sewing-machine-was-put-into-operation-to-fill-the-gap-in-tianjin-market/):JCOE is a pipe making technology for the production of large diameter thick wall steel pipes. It mainly adopts the production process of double-sided ## What are the methods for heat treatment of straight seam steel pipe? [What are the methods for heat treatment of straight seam steel pipe?](https://www.ytdrintl.com/news/what-are-the-methods-for-heat-treatment-of-straight-seam-steel-pipe/): What are the methods for heat treatment of straight seam steel pipe? First of all, the layout design of technical molds should be reasonable, the t ## RMB, more and more "international style" [RMB, more and more "international style"](https://www.ytdrintl.com/news/rmb-becomes-the-fourth-payment-currency-in-the-world/):RMB becomes the fourth payment currency in the world, and the volume of cross-border settlement related to the real economy grows rapidly ## How to Select High Quality Square Tube? [How to Select High Quality Square Tube?](https://www.ytdrintl.com/news/how-to-select-high-quality-square-tube/):Square tube is a kind of material commonly used in the industrial construction industry, with a large demand. There are many square tube products on t ## Notice! Notice! Tianjin Yuantai Derun Steel Pipe Manufacturing Group will participate in the 132nd Canton Fair from October 15 to October 24, 2022. [Notice! Notice! Tianjin Yuantai Derun Steel Pipe Manufacturing Group will participate in the 132nd Canton Fair from October 15 to October 24, 2022. ](https://www.ytdrintl.com/news/notice-notice-tianjin-yuantai-derun-steel-pipe-manufacturing-group-will-participate-in-the-132nd-canton-fair-from-october-15-to-october-24-2022/): Notice! Notice! Tianjin Yuantai Derun Steel Pipe Manufacturing Group will participate in the 132nd Canton Fair from October 15 to October 24, 2022. ## How thick is the galvanized square tube to meet the design requirements of steel structure? [How thick is the galvanized square tube to meet the design requirements of steel structure?](https://www.ytdrintl.com/news/how-thick-is-the-galvanized-square-tube-to-meet-the-design-requirements-of-steel-structure/):It is well known that the quality of galvanized square and rectangular tubes and the installation method directly affect the stability of steel struct ## Application of Galvanized Rectangular Pipe in Construction Engineering [Application of Galvanized Rectangular Pipe in Construction Engineering](https://www.ytdrintl.com/news/application-of-galvanized-rectangular-pipe-in-construction-engineering/): As a common decoration construction material in our modern life, galvanized square tubes can be said to be widely used. Because the surface is galva ## Surface heat treatment of 16Mn square tube [Surface heat treatment of 16Mn square tube](https://www.ytdrintl.com/news/surface-heat-treatment-of-16mn-square-tube/):In order to improve the surface hardness and wear resistance of 16Mn rectangular tubes, surface treatment, such as surface flame, high-frequency surfa ## How is LSAW steel pipe made? [How is LSAW steel pipe made?](https://www.ytdrintl.com/news/how-is-lsaw-pipe-made/):The longitudinal submerged arc welding pipe is produced by rolling the steel plate into a cylindrical shape and connecting the two ends together throu ## How to remove the rust of 16Mn seamless square pipe during long-term storage? [How to remove the rust of 16Mn seamless square pipe during long-term storage?](https://www.ytdrintl.com/news/how-to-remove-the-rust-of-16mn-seamless-square-pipe-during-long-term-storage/):At present, 16Mn seamless square pipe technology has been extremely mature, and there are corresponding product standards and various types of applica ## Do you know the production process of high frequency welded pipe? [Do you know the production process of high frequency welded pipe?](https://www.ytdrintl.com/news/do-you-know-the-production-process-of-high-frequency-welded-pipe/):The production process of high-frequency welded pipe mainly depends on the variety of products. A series of processes are required from raw materials ## Oh my god! Tianjin yuantaiderun group was listed in the top 500 Chinese manufacturing enterprises in 2022! [Oh my god! Tianjin yuantaiderun group was listed in the top 500 Chinese manufacturing enterprises in 2022!](https://www.ytdrintl.com/news/oh-my-god-tianjin-yuantaiderun-group-was-listed-in-the-top-500-chinese-manufacturing-enterprises-in-2022/): On September 6, the China Enterprise Confederation and the China Entrepreneurs Association (hereinafter referred to as the China Enterprise Confeder ## Connection method of q355b square pipe [Connection method of q355b square pipe](https://www.ytdrintl.com/news/connection-method-of-q355b-square-pipe/):In the prior art, a two-step method is used to connect q355b rectangular tubes. First, the square tube is pressed out of the joint, and then the joint ## Fabrication technology of Q355D low temperature square tube [Fabrication technology of Q355D low temperature square tube](https://www.ytdrintl.com/news/fabrication-technology-of-q355d-low-temperature-square-tube/):Domestic petroleum, chemical and other energy industries need a large number of low-temperature steel to design and produce various manufacturing and ## Do you want to get the steel and pipe price list 2022? [Do you want to get the steel and pipe price list 2022?](https://www.ytdrintl.com/news/do-you-want-to-get-the-steel-and-pipe-price-list-2022/):Domestic welded steel pipe prices remain stable, and will be strong in the short term ## What are the precautions for purchasing steel pipe? [What are the precautions for purchasing steel pipe?](https://www.ytdrintl.com/news/what-are-the-precautions-for-purchasing-steel-pipe/):What are the precautions for purchasing steel pipe? In the steel pipe industry market under the premise of low, many steel pipe enterprises use the I ## China's green and low-carbon energy transformation accelerated [China's green and low-carbon energy transformation accelerated](https://www.ytdrintl.com/news/chinas-green-and-low-carbon-energy-transformation-accelerated/):The general electric power planning and Design Institute recently released China energy development report 2022 and China Power Development Report 202 ## Why does the color of galvanized square pipe turn white? [Why does the color of galvanized square pipe turn white?](https://www.ytdrintl.com/news/why-does-the-color-of-galvanized-square-pipe-turn-white/):The main component of the galvanized square pipe is zinc, which is easy to react with the oxygen in the air. What will the color of the galvanized squ ## How to solve the corrosion problem of galvanized square pipe? [How to solve the corrosion problem of galvanized square pipe?](https://www.ytdrintl.com/news/how-to-solve-the-corrosion-problem-of-galvanized-square-pipe/):Most of the square pipes are steel pipes, and the hot-dip galvanized square pipes are coated with a layer of zinc on the surface of the steel pipes by ## How to remove oxide scale on large diameter square pipe? [How to remove oxide scale on large diameter square pipe?](https://www.ytdrintl.com/news/how-to-remove-oxide-scale-on-large-diameter-square-pipe/):After the square tube is heated, a layer of black oxide skin will appear, which will affect the appearance. Next, we will explain in detail how to rem ## Do you know the factors that affect the outer diameter accuracy of thick walled rectangular tubes? [Do you know the factors that affect the outer diameter accuracy of thick walled rectangular tubes?](https://www.ytdrintl.com/news/do-you-know-the-factors-that-affect-the-outer-diameter-accuracy-of-thick-walled-rectangular-tubes/):The outer diameter accuracy of thick walled square rectangular pipe is determined by human, and the result depends on the customer. It depends on the ## Do you want to make your products lighter and stronger than before? [Do you want to make your products lighter and stronger than before?](https://www.ytdrintl.com/news/do-you-want-to-make-your-products-lighter-and-stronger-than-before/):By using thinner and stronger structural and cold forming steels like high-strength, advanced high-strength and ultra-high-strength steels, you can sa ## The situation of fund shortage in large caliber square tube market is likely to be further aggravated [The situation of fund shortage in large caliber square tube market is likely to be further aggravated](https://www.ytdrintl.com/news/the-situation-of-fund-shortage-in-large-caliber-square-tube-market-is-likely-to-be-further-aggravated/):The wait-and-see mood of the large-diameter square tube spot market has increased, while the enthusiasm of site procurement has not improved. The ship ## Method of removing oil on the surface of square tube [Method of removing oil on the surface of square tube](https://www.ytdrintl.com/news/method-of-removing-oil-on-the-surface-of-square-tube/): It is inevitable that the surface of the rectangular tube will be coated with oil, which will affect the quality of rust removal and phosphating. Ne ## Surface defect detection method of square pipe [Surface defect detection method of square pipe](https://www.ytdrintl.com/news/surface-defect-detection-method-of-square-pipe/):The surface defects of square tubes will greatly reduce the appearance and quality of products. How to detect the surface defects of square tubes? Nex ## How to straighten galvanized square pipe? [How to straighten galvanized square pipe?](https://www.ytdrintl.com/news/how-to-straighten-galvanized-square-pipe/):Galvanized square pipe has a good performance, and the demand for galvanized square pipe is very large. How to straighten the galvanized square pipe? ## Essential difference between welded square pipe and seamless square pipe [Essential difference between welded square pipe and seamless square pipe](https://www.ytdrintl.com/news/essential-difference-between-welded-square-pipe-and-seamless-square-pipe/):The production process of square tubes is simple, the production efficiency is high, the varieties and specifications are various, and the materials a ## Recent steel prices-yuantai steel pipe group [Recent steel prices-yuantai steel pipe group](https://www.ytdrintl.com/news/recent-steel-prices-yuantai-steel-pipe-group/):Recent steel prices-yuantai steel pipe group Steel fundamentals were further improved against the backdrop of the decline in molten iron in steel mill ## Happy Dragon Boat Festival [Happy Dragon Boat Festival](https://www.ytdrintl.com/news/happy-dragon-boat-festival/): ## Tianjin yuantaiderun steel pipe group participated in the 131th online Canton Fair [Tianjin yuantaiderun steel pipe group participated in the 131th online Canton Fair](https://www.ytdrintl.com/news/tianjin-yuantaiderun-steel-pipe-group-participated-in-the-131th-online-canton-fair/): Live broadcast time and product special session of Canton Fair   At this Canton Fair, Tianjin yuantaiderun steel pipe group adopted the live on ## Heavy benefits! The United States re exempted 352 tariffs on Chinese goods and extended them to the end of 2022! [list attached] [Heavy benefits! The United States re exempted 352 tariffs on Chinese goods and extended them to the end of 2022! [list attached]](https://www.ytdrintl.com/news/heavy-benefits-the-united-states-re-exempted-352-tariffs-on-chinese-goods-and-extended-them-to-the-end-of-2022-list-attached/): How to check whether your product is included in this exemption: Directly click "read the original" at the end of the text to download the f ## Production Leads, Consumption Leads---Enterprise Standard In 2021 List Of "Leaders" [Production Leads, Consumption Leads---Enterprise Standard In 2021 List Of "Leaders"](https://www.ytdrintl.com/news/production-leads-consumption-leads-enterprise-standard-in-2021-list-of-leaders/):Enterprise standard in 2021 List of "leaders" ## A new chapter in green transformation [A new chapter in green transformation](https://www.ytdrintl.com/news/a-new-chapter-in-green-transformation/): Huang Yalian A new chapter in Green Transformation -- the record of Tianjin yuantaiderun steel pipe manufacturing group Co., Ltd. promoting green man ## We started [We started](https://www.ytdrintl.com/news/we-started/):The golden tiger sends off the Spring Festival, and the start is auspicious. On the eighth day of the lunar new year, we work hard, gather people's st ## Yuan taiderun attended the 2021 annual meeting of Tang Song big data and Lange steel network [Yuan taiderun attended the 2021 annual meeting of Tang Song big data and Lange steel network](https://www.ytdrintl.com/news/yuan-taiderun-attended-the-2021-annual-meeting-of-tang-song-big-data-and-lange-steel-network/):From December 9 to December 11, 2021, Representatives of Tianjin yuantaiderun group participated in the "2021 annual forum of iron and steel industry ## Christmas greetings and new year's outlook from yuantaiderun [Christmas greetings and new year's outlook from yuantaiderun](https://www.ytdrintl.com/news/christmas-greetings-and-new-years-outlook-from-yuantaiderun/):2021 is about to pass. This year is destined to be an extraordinary year. 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