Steel Pipe Fitting, Steel Flange, Forged Flanges manufacturer / supplier in China, offering ANSI B16.5 Welding Forged 1" 300# Sch80 A105 RF Neck Welded Flange, ASME B16.9 2 Inch Carbon Steel Butt Welding Seamless Pipe Fitting Tee, ANSI B16.5/DIN/GOST/Forging Fitting Carbon/Stainless Steel Pn10/16 Welding/Weld Neck/Threaded/Blind/Slip on/ Plate/Socket/ Orifice RF/FF Pipe Fitting Flange and so on.