... ,Cold Rolled Steel Coil to Galvanized Steel Coil, Prepainted steel coil(PPGI Coil) and Corrugated Steel Sheets( PPGI Steel Roof ).welcome ... Colour Galvalume Coil CERTIFICATEISO9001;2008base materialhot-dip galvanized steel coil;galvalume steel coil JIS G3302,JIS3312,ASTM, GB SGCL ... requirementsPackage by plastic film,waterproof paper, and anti-rust steel sheet, and then fastened on wooden pallet. Or ...