Electric Valves, Pneumatic Valves, Control Valve manufacturer / supplier in China, offering 304/316L Sanitary Stainless Steel Ball Valve Manual 1/2 ′-2′ 3A/SMS/DIN Tri-Clamp/Thread High Temperature Wate, Sanitary Grade No-Retaining Ball Valve 316L Stainless Steel Quick-Load Ball Valve 1000wog Card Type Three-Piece Ball Valve, 3PC DIN3202-M3 Stainless Steel 304/316 Ball Valve and so on.