... Gloss b.Guarantee:20 years c.Thickness:1mm to 6mm building construction materials Product specification: Panel Thickness: 1mm,2mm,3mm,4mm,5mm ... : Goods will be packed in bulk or strong wooden cases Materials: Front side: Aluminum alloy sheets with PE or PVDF coating ... , tunnel, subway, billboards, exhibitions, saloons, car, boat decoration, and more building construction materials acp