The bottle cap is an important part of the packaging, and it is also the place where consumers first come in contact with the product. The safe and beautiful appearance of the bottle cap is very important. The aluminum bottle cap has the characteristics of maintaining the product’s tightness and stable quality, and also has the functions of anti-theft opening and safety. Therefore, the aluminum bottle cap is widely used in aluminum foil for cosmetic bottle caps, aluminum for easy-open bottle caps, and aluminum for wine caps. Medical caps such as aluminum.