About Us
Deeply rooted in connectivity technology, creating a high-quality future.
Guangdong Wansheng Jintong Technology Co., Ltd.
With 20 years of deep industry experience and an outstanding innovative spirit, we have developed into a comprehensive high-tech enterprise integrating R&D, production and sales. We adhere to the business philosophy of "Quality First, Customer Satisfaction", providing high-quality, high-reliability and highly customizable connectivity solutions for automotive diagnostics, medical equipment, computer peripherals and network communications.
Our mission is to become a leading global provider of connectivity technology solutions, safeguarding our clients' core businesses with precise and stable signal transmission. With Wansheng Jintong, you receive not just products, but a 20-year commitment to quality and reliability.
- 20+Years of industry experience
- ISO 9001Quality management system
- IATF 16949Automotive quality standard
- OEMCustom orders accepted
Expertise and product lines
Our technical team is proficient in the forefront of the industry and strictly follows the ISO-9001 and IATF 16949 international quality management systems, ensuring every wire harness meets international standards.
- Diagnostic harnesses
OBDII series, J1962, OBD2, J1939 (heavy truck diagnostics), J1708 and RP1226 and other mainstream global diagnostic protocol harnesses, a reliable bridge for high-precision data transmission between your equipment and vehicles.
- Vehicle-specific wiring harnesses
Original factory-grade connection cables for mainstream brands such as BMW, Mercedes-Benz, Honda, Volkswagen, Nissan, GM and Kia, plus dedicated cables for car audio, GPS navigation and decoders.
- Matching and customization
We accept OEM orders and offer complete sets of diagnostic instrument accessories and special connection cables for anti-theft systems.
- Medical-grade cables
Stable and secure connection harnesses for high-precision medical equipment.
- Computer peripherals and network connectivity
Development, production and sales of computer peripheral communication cables and network connection cables for high-speed, stable data transmission.
A commitment to perfection
Our quality management goes beyond paperwork. It is reflected in every step, from raw material procurement to finished product delivery.
From raw material to delivery
Rigorous quality processes at every step of production.
International standards
Quality controlled under ISO-9001 and IATF 16949 management systems.
Reliable in extreme environments
Wire harness products that keep stable and reliable quality.
Dedication, contribution, hard work and innovation
Quality First
Scientific management and a continuous pursuit of excellence in quality.
Customer Satisfaction
Highly customizable connectivity solutions backed by a 20-year commitment to quality and reliability.
Innovation
Continuous technology innovation and product upgrades for the fast-developing automotive and communication industries.
We sincerely welcome friends from all walks of life to guide our work, discuss business, and jointly create a bright future for connectivity technology.
Certified quality
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ISO 9001:2015
Quality management system (Chinese)
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ISO 9001:2015
Quality management system (English)
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IATF 16949:2016
Automotive quality management (Chinese)
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IATF 16949:2016
Automotive quality management (English)
Have a custom cable requirement?
Send us your drawing or specification. Our engineers reply within 24 hours.