Steel Plate, Steel Coil, Carbon Steel manufacturer / supplier in China, offering Steel Coil Strip Building Materials Q195 Q235 Q345 Ss400 S355jr Low Carbon Steel Coil 1.2mm 1.9mm 2.5mm Hot Rolled Mild Steel Coil, Cold Rolled A36 Q235B Mild Carbon Structural Steel Plate/Sheet in Stock for Building Material with Factory Price, Factory Price Roofing Sheet Z20-Z275 Dx51d G550/G350 Galvanized Steel Coil for Building Material and so on.