Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering St37 Q195 Q235 Q355 1mm 2mm HRC Hot Rolled Mild Steel Coil, C45 Q235 A36 S235jr 6mm 8mm Thickness Hot Rolled Carbon Steel Coil, 3003 0.7mm Thick, 1200mm Wide H14 Aluminum Alloy Coil Used for Insulation for Pipes or Equipment and so on.