prepainted galvanized steel coil 1.Material:GAVANIZED STEEL SHEET, AL-ZN COATED STEEL SHEET 2.Thickness:0.17-0.8MM prepainted galvanized steel coil :Pre painted galvanized steel sheet ... Construction Outside: Workshop, agriculture warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, roller shutter door Inside ...