Ruian Changtong Auto Parts Co., Ltd., is a professional manufacturing of AT transmission filter、Gasket and Gear swtich,We also passed 1S09001/ATF16949.
Our products cover about 600+ types of transmission filters, including japanese cars、American cars、Korean cars. And our main market is USA, Europe, MiddleEast, Southeast Asia, Russia, also including the domestic market.
CHANGTONG manages the complete product cycle: research and development, product design, tool design and manufacturing, assemblyand sale of the whole completed products.