... 4.many kinds of colors Corrugated steel sheetNo.ItemSpecification1Product NameCorrugated steel sheet2ModelYX27-205-8283Width828mm4Length1000mm5Thickness0.2mm-1.5mm6Core materialPPGI steel, cold-rolled galvanized steel, aluminum7ColorRed,white ... gym, warehouse, hospital, supermarker,shelter,commercial and civilian facilities perfect quality control,galvanized steel