Pipe Fittings, Flanges, Valves manufacturer / supplier in China, offering ASTM SA/A105 2000lbs 3000lbs Forged NPT Thread/Threaded Forged Couplings, Malleable Iron Split Ring Pipe Hangers for Gas Water Sprinkler Structural Bracing, Beaded Galvanized 90 Elbow Galvanized Malleable Iron Pipe Fittings and so on.