Alloy, High-Temperature Alloy, Nickel Based Alloy manufacturer / supplier in China, offering ASTM A335/SA335 P22 P11 ASTM A210 A179 Alloy Steel Pipe Boiler Steel Pipe Carbon Steel Pipe, Customized API 5CT Q125 J55 K55 P95 N80 P110 Casing Tube Seamless Carbon Steel Pipe, API 5CT L80-1 P110 M65 8-5/8" Seamless Steel Pipe for Gas Oil Pipeline and so on.