... screw model, self-locking model, steel tile sheet, as per your requirements. CommodityCorrugated steel sheetMaterialGalvanized steel sheetGalvalume steel sheetPre-painted galvanized sheetCoatingPE, PVDF, galvanized ... to the transportation, generally less than 12mColorStandard color: red, blue, white greySpecial color: according to RAL colorCharacteristicweatherproof heating insulation fireproof ...