The surface of aluminum veneer curtain is generally processed before, then, the aluminiumsingle plate is processed with fluorocarbon spray coating. Fluorinecarbon coating hasoutstanding characteristics of corrosion resistance and weathering resistance, resisting acidrain, salt fog and various kinds of air contaminants. Besides, it has good performance ofthermal and cold endurance, meanwhile, it can resist strong ultraviolet ray, keeping unfadingand chalking with long life-time application.