... offer PPGI ,PPGL AND GI(color coated steel coil and galvanized steel coil)ppgi,Color Coated Steel Coil ,gi,GI or PPGI,prepainted galvanized steel coils,GI AND PPGI,,construction and roofing ... effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as ...