... 180g/m2 4.Color:as RAL NO. Chinese PPGI coils 1.PPGI (Prepainted galvanized steel coils) CompanyShandong Yunfeng Steel ... (roller coating method), and after roasting and cooling.PPGI is light, beautiful and has good corrosion resistant ... performance, can be directly processed also, ppgi provides the construction, shipbuilding, vehicle manufacturing, furniture industry ...