Butterfly Valve, Centrifugal Pump, Sanitary Valve manufacturer / supplier in China, offering SMS Thred Economical Butterfly Valve 19mm-219mm SS304/SS316L Weld/Clamp Sanitary Food Grade, Ecomomical Butterfly Valve SMS/3A Sanitary Food Grade SS304/SS316L, Stainless Steel 304 3PCS Pneumatic/Manual Ball Valve and so on.