Carbon Steel Coil, Carbon Steel Plate, Carbon Steel Pipe manufacturer / supplier in China, offering ASTM 1035 1045 1050 S45c Q195 Q215 Q235 Q275 Q345 H13 Dia 10mm 12mm Carbon Steel Rod Bar, High Quality Hollow Section Dx51d Hot Dipped Gi Galvanized Round Tube Pipe for Construction Material, A36 A53 S275 S235jr Q195 Q235 Pre Round Gi Hot Dipped Galvanized Steel Pipe for Building and so on.