... colors RAL3001 Prepainted galvanized steel coilPPGI / PPGL:1.BASE MATAL:GAVANIZED STEEL SHEET,AL-ZN COATED STEEL SHEET2.THICKNESS:0.17 ... packing, 4 eye bands and 4 circumferential bands in steel, galvanized metal fluted rings on inner and outer edges ... terrace, retailer booth, roller shutter door Inside: Door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, vent gutter ...