Malleable Iron Pipe Fittings, Grooved Pipe Fittings, Valve manufacturer / supplier in China, offering Kanaifu Industrila Ductile Iron Qt450 Flange Connection Water Unilateral Y Strainer for Water, Kanaifu 1" 2" 1/4" China Factory Ductile Iron Pipe Fittings Grooved Tee with FM UL, Kanaifu European Standard Round Edge Malleable Iron Thread Pipe Fitting End Cap and so on.