Hangzhou Langtian Auto Parts Co., Ltd. is a modern enterprise specializing in the R&D and production of automotive wheel bearings and wheel hub units, located in Xiaoshan Economic and Technological Development Zone, Hangzhou. We mainly manufacture wheel bearings, as well as first-generation, second-generation and third-generation wheel hub units, covering more than 1,000 product models. Our products are widely exported to developed countries and regions across the Middle East, Europe and America, enjoying high recognition and trust from global customers. The company is equipped with a full range of advanced production equipment, including rough and precision lathes, medium-frequency quenching machines, outer ring grinding machines and flange grinding machines for wheel hub units, spline broaching machines and precision grinding production lines. Meanwhile, we have introduced world-class testing equipment such as Tokyo Precision contour measuring instruments, roughness testers, roundness testers, Vickers hardness testers and metallographic microscopes from Japan. Our company has successfully obtained ISO/TS16949:2009 quality system certification. We own a professional and high-level product R&D team supported by complete advanced testing and development equipment. This system not only ensures stable and consistent product quality, but also enables us to provide independent customized design and development services according to customer requirements, realizing one-stop integrated production from product design, rough machining to precision finishing. Adhering to the core principle of "Quality First, Service Supreme", we implement strict production standards and standardized quality control to deliver high-quality products for all customers. While deeply cultivating the domestic market, we also actively expand the international market. We sincerely welcome customers at home and abroad to visit and guide our company.