Butterfly Valve, Check Valve manufacturer / supplier in China, offering Rubber Liner Wafer Butterfly Valve with 2 PCS Split Body Replaceable Loose Liner Seat, Worm Gear Double Flanged U Section Nylon Coated Disc Butterfly Valve, API/ANSI/DIN/JIS Double Plate Wafer Type Check Valve with Ce ISO Wras Approved and so on.