Steel Pipe, Carbon Steel Pipe, Seamless Steel Pipe manufacturer / supplier in China, offering API 600 10” Gate Valve ASTM A216 Wcb / CF8m, Class 1500, Hand-Operated, ASME B16.34 for Oil, Gas & Petrochemical Projects, LSAW Pipe ASTM A252 Longitudinally Submerged Arc Welded Steel Pipe High-Quality Galvanized Steel Tube for Construction & Industrial Use, SS316L 3-Piece Welded Ball & Globe Valve Class 2500, ASME B16.34, API 607 Fire-Safe, for Critical Oil, Gas & Chemical Systems and so on.