... gi,GI or PPGI,prepainted galvanized steel coils,GI AND PPGI,,construction and roofing ISO As Shanghai Sangshan Machine Co., Ltd ... steel sheet co,.ltdwe can offer PPGI ,PPGL AND GI(color coated steel coil and galvanized steel coil)ppgi,Color Coated Steel ... ,gi,GI or PPGI,prepainted galvanized steel coils,GI AND PPGI,,construction and roofing Standard: JISMaterial: GI steel, PPGI steelGrad: SGCCThickness ...