Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering A519 1010 Cold Drawn Seamless Carbon Steel Pipe Manufacturer,, A403 Wp304 304L 1" Close Nipple with 1/2" NPT Male Threads, 1.5415 / 16mo3 / 15mo3 28" Welded Carbon Steel Elbow as En10253-2 and so on.