ZHEJIANG SANWEI DATONG PRECISION FORGING TECHNOLOGY CO., LTD(Original Haiyan Sanwei Cold Extrusion Co., Ltd)is now one of the most professional and the highest cost-effective enterprise of set cold extrusion, and warm forging technology combined.
Our main productions are, all kinds of oil pump nozzles for diesel engines, automotive transmission systems, transmission systems, braking systems, fluid hydraulic systems, engineering machinery...