Malleable Iron Pipe Fittings, Grooved Pipe Fittings, Valve manufacturer / supplier in China, offering Kanaifu 1/2" Galvanized Malleable Iron Pipe Fitting Flexible Pipe Connection Nipple, Kanaifu Hot Sale Low Pressure Normal Temperature Grooved Butterfly Valve for Industrial, Kanaifu GB Manual Straight Stainless Steel Butterfly Valve for Water Gas and so on.