China. Wenzhou Yongdun Valve Manufacture Co., Ltd. Is a well-known enterprise which has obtained the ISO9001 quality system authentication. It is a factory specializes in producing Carbon Steel and stainless steel gate valve, globe valve, ball valve, butterfly valve, check valve, plug valve, regulator valve, strainer and series of valves of electromotion, air-operated, American standard, Germany standard, hign-pressure non-standard.

The products of our factory main products: Nominal size 1/2"~42" (DN15 ~ DN1500), nominal pressure 150Lb~2500Lb (PN1.0Mpa~PN42.0Mpa), working temperature -101C~ +680 C.

Our factory holds lots of advanced equipments, such as drying-up, liquefaction, heat processing of the valve body, sand spray, chemical silicon Sol, pickling, analyse of chemical composition, thick testing of ultrasonic wave, hardness testing, mechanical performance testing, etc...In order to improve product quality further, our factory introduces foreign advanced technology, open up the service field, so that really serve for users, with responsibility for users.