Sanitary Valves, Sanitary Pipe Fittings, Sanitary Unions manufacturer / supplier in China, offering 3A SMS DIN Hygienic Sanitary Manual Thread Butterfly Valve with Muti-Position Plastic Handle, 304 316L/3A DIN SMS Thread Manual Butterfly Valve with Stainless Steel Handle, 3A DIN SMS High Quality Sanitary Stainless Steel Butterfly Valve with Pneumatic Actuator and so on.