Aluminum foil paper is made of aluminum. Rolled aluminum products with a thickness of less than 0.20 mm and a rectangular and uniform cross section. Include capacitor aluminum foil, hydrophilic aluminum foil, composite aluminum foil, etc. Because of its excellent characteristics, it is widely used in food, beverages, cigarettes, medicines, photographic negatives, household necessities and so on. , usually used as its packaging material; Electrolytic capacitor materials; Thermal insulation materials for buildings, vehicles, ships and houses; It can also be used as decorative gold and silver thread, wallpaper and decorative trademark of various stationery, printed matter and light industrial products.