Metal packaging is an important part of China's packaging industry, mainly for food, chemical, pharmaceutical and other industries to provide supporting services. Metal packaging products can be divided into printed iron products, cans, aerosol cans, food cans and all kinds of caps.
The metal bottle cap is a small package sealing piece, including screw cap, crown cap and aluminum anti-theft cap. It is mainly used for the sealing of large jars, such as pickles and cans. The crown cover is mainly used for packaging and sealing of beer bottles. Aluminum anti - theft cover is used for high-grade wine seal packaging. Unscrewing cover, also known as claw type unscrewing cover, according to the number of different claw can be divided into three claw type, four claw type and six claw type three, the most common is four claw type unscrewing cover, that is usually said four screw cover. According to whether the cover shoulder is raised, the cover can be divided into flat top and tip, flat top and cap, cap shoulder is not raised, cap shoulder and cap are almost in the same plane; The cover shoulder of the cusp cover is obviously raised. The cover shoulder and the cover cover are not in the same plane.
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