Carbon Steel Coil, Carbon Steel Plate, Carbon Steel Pipe manufacturer / supplier in China, offering Gr40 Gr60 Fe500 HRB400 HRB500 B500b Deformed Steel Rebar 6mm 8mm 10mm 12mm 14mm 16mm 3/8 1/2 5/8 3/4 6m 12m ASTM Standard, Factory Supply Mild Steel Bar Rebar Iron Rod HRB500 Grade Bent and Cut for Construction Structure Steel, High Quality Q235 Q345 20*20-200*200 Square Steel Tube Hollow Section Black Carbon Steel and so on.