Steels manufacturer / supplier in China, offering Q345 Hot Rolled Carbon Steel Plate Coil ISO9001 ASTM A36 En JIS Standard, Industrial Carbon Steel Coil Q235 Q195 Q345 Hot Cold Rolled ASTM En JIS ISO Certified, Hot Rolled Carbon Steel Coil Q195 Q345 En10025 JIS G3101 ISO ASTM Steel Materials and so on.