Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering High-Quality S45c and S55c Chrome Plated Steel Rods2., ASME B16.5 Carbon Steel A105n / A105 Nozzle Flange, ASME B16.5 3" 300lbs A105 Forged Galvanized Slip on Flange and so on.