roofing ppgi coil 1.ISO900 2.JIS G3312 GB/T 1275 ... vending machines, washing machines, showcases and other structural use, roofing, commercial use Gutters, auto parts, electrical appliances, vending ... use, commercial use…… Different kinds of structural use, roofing, commercial use…. SPECIALAPPLICATION wear resistant steel, high-strength ... wear resistant steel, high-strength-steel plate roofing ppgi coil