Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering Cast Iron Wafer Type EPDM Flanged DN100 4 Inch Pn16 Butterfly Valve with Handle Lever, Awwa C504 Double Offset Butterfly Valve Flanged EPDM Seat Ci Butterfly Valve, Cast Iron Butterfly Valve Manufactures Butterfly Valve Wafer Type Pn16 DN100 Butterfly Valve 4 Inch with Hand Lever and so on.