Pipe Fitting, Flange, Valve manufacturer / supplier in China, offering ASTM A105 Bw Mss Sp-97 Weldolet, Pipe Fitting Weldolets, A182 F316L Forjado Bridas (AISI 316L, UNS S31603, 1.4404, SUS 316L) Bridas De Acero Inoxidable, Stainless Steel Flange, BS 1560/3293/4504 A182 F11/F12 Carbon Steel Welding Neck RF Flange and so on.