Butterfly Valve, Diaphragm Valve, Check Valve manufacturer / supplier in China, offering Stainless Steel Manual Pneumatic 3 Way Butterfly Valve with Actuator (JN-BV3003), Stainless Steel Welded 316L Short Length Pipe Piece, Sanitary Grade Stainless Steel 316L Clamp Manual Butterfly Valve with Plastic Regulating Handwheel and so on.