... imported or domestic production to service steel pipe:Steel standard: ASTM, JIS, DIN, GB, EN, BS.Materials: 10#, 20#, 35#, 45#, 16Mn, 20G ... per customers requirementsApplication: Seamless steel pipes for equipment, pipelines, vessels, pipe fittings and mechanical structures, for petroleum, chemical and electric power ... can make sure our product high quality & competitive price! Steel Pipe