... REGULAR SPANGLE Producing summarizeproduction name : galvanized steel coil /GI /hot-dip zinc steel coil/zinc coated steel coilSteel grade :SGCC or DX51D Thickness ... Construction Floor Decks, Ceilings, Duct Work, Roofing, Siding, Sashes, Beams, Fences, Verandas, Shutters, Awnings,Partitions, Indoor Decorations, Pipes, Ventilators, Sheds, Culverts ...