One stop supplier of OBD automotive cables

A professional enterprise engaged in the research and development, sales, and service of OBD2 and automotive connection cables, OBD2 connectors and plugs, OBD housings, and other automotive diagnostic connection tools.

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One stop supplier of OBD automotive cables

A professional enterprise engaged in the research and development, sales, and service of OBD2 and automotive connection cables, OBD2 connectors and plugs, OBD housings, and other automotive diagnostic connection tools.

Learn More +

One stop supplier of OBD automotive cables

A professional enterprise engaged in the research and development, sales, and service of OBD2 and automotive connection cables, OBD2 connectors and plugs, OBD housings, and other automotive diagnostic connection tools.

One stop supplier of OBD automotive cables

A professional enterprise engaged in the research and development, sales, and service of OBD2 and automotive connection cables, OBD2 connectors and plugs, OBD housings, and other automotive diagnostic connection tools.

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Dongguan Wenjun Electronic Tech-nology Co., Ltd.

Dongguan Wenjun Electronic Technology Co., Ltd. established in August 14, 2015 is aprofessional engaged in the research, development, sale and service of O B D 2 cable、O B D2 connector and plug、0 B D housing We are located in Dongguan, Guangdong withconvenient transportation access. Dedicated to strict quality control and thoughtful customerservice,We have a team of experienced professionals who possess deep knowledge and skillsin their respective fields. They are dedicated to providing the best solutions for our customersand maintaining high efficiency and excellence in their work to enhance your shopping andusage experience,our experienced staff members are always available...

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2015 year

Founded in

30 +

Patent Certificate

180 +

Company Personnel

Product Center


Application Area


Vehicle diagnosis and maintenance

Vehicle programming and refresh

Vehicle performance monitoring and data recording

Fleet management and remote information processing

Automotive aftermarket equipment and modification

Automotive research and testing

Vehicle diagnosis  and maintenance

Vehicle diagnosis and maintenance

Reading fault codes. Clearing fault codes. View real-time data stream. Execution of actuator testing. Emission testing
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Vehicle programming and refresh

Vehicle programming and refresh

ECU firmware upgrade Matching and coding Function activation/customization
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Vehicle performance monitoring and data recording

Vehicle performance monitoring and data recording

Real time monitoring  Data logger Track/Competitive Applications
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Fleet management and remote information processing

Fleet management and remote information processing

The OBD-II interface is an ideal physical interface for connecting vehicle mounted remote information processing equipment.
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Automotive aftermarket equipment and modification

Automotive aftermarket equipment and modification

HUD display Performance cheating computers Automatic start stop shutdown device Convenience modules such as window lifters
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Automotive research and testing

Automotive research and testing

During the vehicle development phase, engineers access and calibrate ECU parameters through OBD interfaces (or lower level interfaces) for data collection and analysis.
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Why Choose Us?


Efficient delivery

Ensure "stable supply" and "efficiency", and be able to deliver on time, with quality and quantity.

Quality control

Full chain quality control, each batch of materials must pass RoHS, UL and other inspections (with inspection reports provided) to eliminate inferior raw materials from the source. Key processes (such as plug PIN pin welding, cable shielding lamination) are equipped with online inspection equipment (such as CCD visual inspection, conductivity tester) to achieve 100% full inspection and control the defect rate within ≤ 50ppm.

R&D strength

Technical and R&D capabilities to address customization and upgrade needs.Customized development capability: We can provide full process services from drawings to samples according to customer needs, such as special interface specifications, temperature resistance requirements, and appearance design. We can provide solutions within 7 days, deliver prototypes within 20 days, and complete mold development and small-scale trial production within 30 days

Reasonable pricing

Reasonable pricing logic, providing "long-term cooperation tiered pricing", allowing customers to enjoy additional discounts for large annual purchases, helping customers reduce long-term procurement costs.

Good service

Quick response mechanism, responding to customer issues within 1 hour and providing solutions to technical problems within 48 hours.

Cooperative trust

Serving over 100 clients, of which 80% are old customers who have been cooperating for more than 3 years. Cooperative clients include Loyal Defender, Ford (Vietnam), SAIC Volkswagen Faraday Defense Corp、MeatPi Electronics、DD OffRoad、DAESIN Electronics、LL Eletr Collaborate with companies such as ô nica.

Key customers


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2026-03-31

Understanding the Benefits of Flat OBD2 Extension Cables in Electrical Applications

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Top Features to Look for in a Flat OBD2 Extension Cable

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