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At our company, we are proud of our commitment to quality. We can provide UL or VDE certification, and we also provide REACH and ROHS2.0 reports to reassure you. With our various  Wiring Harness, you can confidently invest in a durable and high-performance product. Experience firsthand the uniqueness of Seiko and discover why every detail is important.

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Why Choose Us

Was established in 2013 and is located next to Science City, Guangming New District, Shenzhen.   Has been committed to the production and sales of various high-quality wire harnesses, terminal wires, and connecting wires.   Application industries and products include: automotive wiring harness, new energy vehicle wiring harness, automotive diagnostic test wiring harness, motor and motor wiring harness, energy storage wiring harness, medical device connection wiring harness, air conditioning wiring harness, refrigerator wiring harness, motorcycle wiring harness, printer wiring harness, transformer terminal wire, etc.

Company News

Shenghexin Co.,Ltd Launches New XH Connector Production Line

Shenghexin Co.,Ltd Launches New XH Connector Production Line

Shenghexin wiring harness company, a leading player in the wiring harness and  electronics components industry, has recently introduced a new production line dedicated to XH connectors  This move aims to meet the surging market demand for high - quality connectors in various electronic devices. The new XH connector production line is equipped with state - of - the - ar...

International Connectivity Technology Conference focuses on automotive connectivity technology

International Connectivity Technology Conference focuses on automotive connectivity technology

The International Conference on Connectivity Technologies had been held in Shanghai on March 6-7, 2025 With the theme of "Connection, collaboration, intelligent manufacturing", the conference attracted many enterprises and experts in the wiring harness industry chain. In the context of intelligent transformation of the automotive industry, connection technology has bec...

  • Quality priority, delivery guarantee, quick response

  • Quality priority, delivery guarantee, quick response

  • Quality priority, delivery guarantee, quick response