Wafer Butterfly Valve, Flanged Butterfly Valve, Lug Type Butterfly Valve manufacturer / supplier in China, offering Two PC High Platform Female Thread Floating Ball Valve 1000wog 1.6MPa 304 316 Stainless Steel Pneumatic Switch Valves, Two PC High Platform Female Thread Ball Valve 1.6MPa 304 316 Stainless Steel Electric Switch Valves, 1/8inch 3mm 3PC Design Stainless Steel 304 316 Threaded Ball Valve Handle and so on.