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CTC Union Technologies Co., Ltd. | Founded in 1993, CTC Union partners with voice and data carriers, enterprises, and industrial grade Ethernet users covers all continents and areas.

CTC Union is committed to delivering reliable, temperature-resistant, and rugged industrial networking solutions designed for harsh environments. Our comprehensive product portfolio includes L3/L2 Managed Switches, PoE solutions, and certified Ethernet switches meeting EN50155, IEC 61850-3 and E-Mark requirements for railway, power utility, transportation, and networks. CTC Union is a leading Taiwanese manufacturer specializing in telecommunication products such as L2 Ethernet switches, transpon

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T19:07:14.621Z. Cached copy · Source on ctcu.com

# CTC Union Technologies Co., Ltd. | Founded in 1993, CTC Union partners with voice and data carriers, enterprises, and industrial grade Ethernet users covers all continents and areas.
> CTC Union is committed to delivering reliable, temperature-resistant, and rugged industrial networking solutions designed for harsh environments. Our comprehensive product portfolio includes L3/L2 Managed Switches, PoE solutions, and certified Ethernet switches meeting EN50155, IEC 61850-3 and E-Mark requirements for railway, power utility, transportation, and networks. CTC Union is a leading Taiwanese manufacturer specializing in telecommunication products such as L2 Ethernet switches, transponders, and industrial Ethernet switches, converters, and injectors. The company maintains strict control over product design, ensuring compliance with certifications like CE, FCC, UL, IEC 62443-4-1, EN50155, EN45545-2, and IEC 61850-3. CTC Union has established strong global partnerships with voice and data carriers, enterprises, and industrial Ethernet users, providing direct engineering and technical support from its headquarters in Taipei, Taiwan.

## Homepage
- [CTC Union Technologies Co., Ltd. | Founded in 1993, CTC Union partners with voice and data carriers, enterprises, and industrial grade Ethernet users covers all continents and areas.](https://www.ctcu.com): CTC Union is committed to delivering reliable, temperature-resistant, and rugged industrial networking solutions designed for harsh environments. Our comprehensive product portfolio includes L3/L2 Managed Switches, PoE solutions, and certified Ethernet switches meeting EN50155, IEC 61850-3 and E-Mark requirements for railway, power utility, transportation, and networks. CTC Union is a leading Taiwanese manufacturer specializing in telecommunication products such as L2 Ethernet switches, transponders, and industrial Ethernet switches, converters, and injectors. The company maintains strict control over product design, ensuring compliance with certifications like CE, FCC, UL, IEC 62443-4-1, EN50155, EN45545-2, and IEC 61850-3. CTC Union has established strong global partnerships with voice and data carriers, enterprises, and industrial Ethernet users, providing direct engineering and technical support from its headquarters in Taipei, Taiwan.

## About Us
- [Company Profile | Industrial & Telecom Network Equipment Manufacturer Since 1993](https://www.ctcu.com/en/page/company-profile.html): Founded in 1993, CTC Union Technologies is an ISO 9001 and ISO 14001 certified designer and manufacturer, dedicated to delivering high-quality Industrial and Telecom networking solutions. Our software development follows the IEC 62443 cybersecurity standards, ensuring secure and reliable designs.

With in-house R&D and manufacturing based in Taiwan, CTC Union offers a comprehensive product portfolio, including Industrial Ethernet, PoE, EN50155, and IEC 61850-3 certified switches. Our products are engineered for mission-critica
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