Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering High-Quality ASME B16.48 Class 2500 F316ti Paddle Spacer Flange, En10253-2 P235gh P265gh Steel Pipe Fittings, 600lbs ASTM B16.5 2" Sch Xs A694 F65 Weld Neck Flange, Rise Face and so on.