Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering BS4504 DIN Pn16 Plate RF Stainless Steel 304 316L Flange, DIN Forged Stainless Steel 316L Fitting DN800 RF FF Socket Weld Pipe Flanges ASME ANSI B16.5 Stainless Steel Blind /Slip on/Weld Neck Flange, GB/En 1092 F321 1/2" to 80" Stainless Steel Forged Flanges for Petrochemical and so on.