China's main professional piston pin manufacturers, established in 1958, with an annual production capacity of more than 20 million. The products cover commercial vehicles, passenger vehicles, construction machinery, ships, generator sets, etc. The products are matched with well-known engine factories, and the matching rate of main engine is more than 80%. Products into Japan, North America, Southeast Asia, Europe and other OEM markets. With Aichelin continuous furnace, mikrosa high-precision centerless grinder and other industrial process equipment.