Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering A733 A106 Gr. B 2" Sch40 Seamless Black Steel Nipple, BSPT Fully Threaded 304 Nipple 304L Stainless Steel Threaded Pipe Nipple, Smo254 Screwed NPT Hexagonal Nipple High Pressure Pipe Fitting and so on.