Pipe Fittings, Flanges, Valves manufacturer / supplier in China, offering 1000lbs/2000lbs/3000lbs/6000lbs Socket Weld Elbows Forged Steel Welding Pipe Fittings, UL/FM Ductile Iron Grooved Pipe Fittings Equipment Mechanical Couplings-HDPE Couplings, 1PC Forged Stainless Steel Ball Valves Mini Ball Valves and so on.