Malleable Iron Fittings, Ductile Iron Grooved Fittings, Pipe Systems manufacturer / supplier in China, offering Ductile Iron Grooved Gate Valve Flanged or Grooved End with Rising/Non-Rising Stem, FM/UL Casting Forging Malleable Galvanized Iron Tube Pipe Fittings 90 Degree Elbow, Malleable Cast NPT 2" Galvanized Pipe Fitting 45/90 Degree Elbow for Water and so on.