Valve, Butterfly Valve, Wafer Butterfly Valve manufacturer / supplier in China, offering Cast Iron Ductile Iron Carbon Steel Stainless Steel Wafer Type Butterfly Valve with EPDM PTFE, Heavy-Duty Triple Offset Wafer Type Butterfly Valve Pneumatic Actuation, CF8m Body, Metal Seat, Lug Type DN40-DN300, Industrial Electric Operated Wafer Type Butterfly Valve Wcb Body, EPDM Seat, Wafer Style 2"-12" with Smart Positioner and so on.