1, aluminum foil is widely used in food, beverages, cigarettes, medicines, photographic negatives, household items and so on because of its excellent characteristics, and is 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.

2.PET is the abbreviation of polyester film. In fact, it is a polymer material. PET has good hardness and brittleness, and can resist the corrosion of chemicals such as high temperature, harsh environment and acid and alkali, so it is very suitable for outdoor and high-demand labels. Its common colors are dumb silver, dumb sub-white, bright silver, bright white and transparent.