Established in June 2017 and strategically located in Liangshan—one of China’s most prominent commercial vehicle and trailer manufacturing hubs—Liangshan DEF Auto Tech Co., Ltd. is a premier manufacturer and high-tech enterprise. We specialize in the R&D, design, production, and distribution of high-performance automotive technologies, with a strong commitment to commercial vehicle braking and suspension systems.
Core Business & Product Portfolio Our company provides a platform-based, serialized, and one-stop product supply system tailored for both the OEM and aftermarket sectors. Our comprehensive product system includes:
- Advanced Braking Systems: Featuring our self-developed DEF-ABS4S3M Anti-lock Braking System.
- Premium Air Springs: Specifically engineered for heavy-duty trucks, trailers, and buses, including rolling lobe air springs for axles, convoluted air springs for industrial and lift-axle applications, and sleeve-type air springs for cabin and seat suspension systems.
- Suspension Components: A complete aftermarket product line centered on shock absorbers, height control valves, rear axle height sensors, and related supporting products such as seat and trailer valves.
Applications & Manufacturing Excellence Our products proudly cover a number of mainstream Chinese heavy-duty truck and commercial vehicle platforms, including HOWO, Sitrak, Haohan, F3000, X5000/X6000, and M3000/L3000 series. Operating from a state-of-the-art facility, we utilize advanced automated production lines and precision molding technology. We implement a rigorous quality management system certified under IATF 16949, ensuring that every component meets the highest standards of durability, load-bearing capacity, and environmental resistance.
Corporate Vision Driven by our motto of “Stability, Safety, and Innovation,” we strive to enhance the efficiency and comfort of global commercial transport. By combining our local manufacturing advantages with global quality standards, Liangshan DEF Auto Tech aims to be the preferred partner for domestic and overseas commercial vehicle manufacturers, trailer manufacturers, parts importers, distributors, warehouse distributors, and maintenance service channels worldwide.