Butterfly Valve, Diaphragm Valve, Sanitary Valve manufacturer / supplier in China, offering China Stainless Steel Pneumatic & Manual Food Grade & Hygienic Sanitary Ball & Diaphragm & Butterfly Control Valve (JN-1006), Stainless Steel Sanitary Fixed Cleaning Ball (JN-CB1001), Stainless Steel Sanitary Threaded Rotary Cleaning Ball (JN-CB1009) and so on.