... galvanized steel (HDGI), Zincalume steel coil(14)Surface Protection:PE, PVDF, HDP ect.(15)Surface Treatment: Galvanized, Chromated , Bright Finished, Spangle, Fingerprint Resistance.Color coated ... corrosion resistance(2)good surface quality (3) benefits processing(4) ... nafter fully covered with iron sheet with metal edge protectors, strapped ... kinds of GI, GL,PPGI,SGCC,SGCH,PPGI,PPGL ect. which can up ...