... 9001:2008 Producing summarizeproduction name : galvanized steel coil /GI /hot-dip zinc steel coil/zinc coated steel coilSteel grade :SGCC or DX51D ... and Construction Floor Decks, Ceilings, Duct Work, Roofing, Siding, Sashes, Beams, Fences, Verandas, Shutters, Awnings,Partitions, Indoor Decorations, Pipes, Ventilators ... Machines, Car Ports, Garden and Storage Sheds. GI/Galvanized steel coil