YIOU GUAN OPTOTECH The Precision Link Driving Safety
Safe Motors, Tremendous Precision Since our establishment in 1992, Yiou Guan Optotech Co., Ltd. has been dedicated to the innovation and manufacturing of automotive wiring harnesses and optoelectronic systems. From traditional main wiring harnesses to today's advanced EV wire harnesses and 3D Around-View Monitor cables, we have steadily grown into a trusted partner for the global transportation industry.
Global Reach, Local Excellence To deliver competitive capacity and superior quality, we operate high-standard manufacturing facilities in both Taiwan and Vietnam. Through strategic supply chain partnerships with global leaders like Delphi, Sumitomo, and Yazaki, we ensure that every component meets rigorous international OEM standards.
Innovation & Quality Assurance We go beyond manufacturing by driving technological breakthroughs. Yiou Guan has implemented patented inspection technologies, such as our proprietary Fuse Image Identification System, and has achieved TS 16949 automotive certifications. This commitment to "Zero Defects" has earned us the long-term trust of world-class clients, including YAMAHA, SYM, KYMCO, as well as major lighting manufacturers like DEPO and TYC.
CORE VALUES
Expert Manufacturing Over 30 years of OEM/ODM experience.
Dual-Base Advantage R&D in Taiwan with flexible production across Taiwan and Vietnam.
Future-Ready Expanding from traditional harnesses to EV and automotive electronics markets.