As a leading On-board wiring harness supplier, VLG has been dedicated to providing premium wiring solutions since 2005. Combining advanced technology, rigorous quality control, and extensive customization options, we ensure every vehicle system performs reliably and efficiently.
Our wiring harnesses are designed for stability, durability, and reliability. Some of the core features include:
High Signal Integrity: Ensures smooth and stable transmission of RF signals, critical for automotive communication and IoT devices.
Durable Terminals: Robust connections prevent loosening and signal loss, enhancing long-term system reliability.
Customizable Designs: VLG provides tailored wiring harnesses to meet specific vehicle and equipment requirements, making us a flexible custom On-board wiring harness supplier.
Strict Quality Control: Each harness undergoes thorough inspection in our 10,000-level cleanroom and automated production lines, following IATF 16949 standards.

VLG wiring harnesses are used in a variety of vehicle and IoT systems, including:
Automotive Systems: Engine management, infotainment, advanced driver-assistance systems (ADAS), and in-vehicle digital keys.
IoT Devices: Smart buses, GPS/Beidou positioning, and environmental mapping equipment.
GNSS and RF Systems: Antennas, trackers, and satellite communication equipment requiring precise and stable connections.
By offering customizable wiring harness solutions, VLG addresses the exact needs of each client, ensuring smooth integration and high system performance.
At VLG, we follow the principle of “Integrity, People-oriented, Safety First, Continuous Improvement.” Our strict quality and safety management guarantees:
Zero fire incidents;
Zero personnel injury accidents;
On-time delivery with high-quality standards;
VLG’s advanced production and material management ensure every wiring harness meets international quality benchmarks, providing peace of mind for clients worldwide.
Partnering with VLG means gaining a trusted On-board wiring harness supplier who offers:
Tailored and scalable wiring solutions;
Expertise in automotive, IoT, and GNSS systems;
ISO-certified manufacturing processes;
Reliable delivery and post-sales support;
Our goal is to provide wiring harness solutions that enhance system stability, efficiency, and durability. Whether you need premium automotive wiring harnesses or custom in-vehicle wiring solutions, VLG delivers excellence.
Contact VLG today to discuss your custom On-board wiring harness requirements and explore how our advanced solutions can enhance your vehicle or IoT system performance.
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You can also reach us on +86 186 8871 1070, or sales@vlg-tech.com. Our sales department will reply to you soon.