Shiyan Tongchuang Industry & Trade Co., Ltd. is a professional manufacturer of precision forged automotive transmission parts, established in 1998. Based in Shiyan, China, the company operates with a strong technological background and independent innovation capabilities, holding a leading position in product development, manufacturing, testing, and friction materials within the local market. With over 101 to 200 employees and a total factory area of 160,000 square meters across three production and logistics bases in Shiyan, Wuhan, and Nantong, they specialize in a comprehensive range of transmission components. Their core product lines include diverse synchronizer assemblies, synchronizer rings (steel, brass, sintered), planetary assembly parts, clutch assembly parts, and friction materials, designed for commercial vehicles, passenger vehicles, and off-road vehicles. They also offer non-ferrous metal processing and gear shift assemblies. Shiyan Tongchuang Industry & Trade Co., Ltd. provides OEM and ODM services and is certified with ISO 9001, ISO 14001, IATF 16949, and ISO 45001. They supply products to over 30 automobile transmission enterprises globally, including major customers like FAW, Dongfeng, Sinotruk, SAIC, JAC, WLY, Geely, Greatwall, ZF, EATON, Qijiang transmission, Datong transmission, and Dynax.