The current development status of glass bottles and bottle caps in our country

Currently, most of the packaging for Chinese Baijiu, wine, medicinal liquor, and beverages still mainly uses glass bottles, so the bottle caps are made of aluminum. At present, there are tens of thousands of various liquor production factories in China. Among them, there are nearly 30 production lines for Baijiu bottle caps, which can produce nearly a hundred types of various bottle caps, with an output of over 5 billion pieces. According to relevant experts, the anti - theft bottle caps in China will increase at a rate of 10% per year. It is estimated that about 15 billion anti - theft bottle caps will be needed in 2010, consuming about 53,500 - 60,000 tons of aluminum sheets.

Since the mid - 1990s, Coca - Cola has used plastic anti - theft caps to replace aluminum caps for its PET bottled beverages, thus pushing plastic anti - theft caps to the forefront of beverage packaging. After that, domestic packaging enterprises and beverage producers with strength have introduced foreign equipment and started large - scale production and application of plastic anti - theft caps. Nowadays, the light and easy - to - open plastic anti - theft bottle caps used in beverage packaging not only facilitate consumers but also accelerate the development of the beverage industry. Currently, due to the fierce competition in the domestic beverage industry, many well - known enterprises are adopting advanced production processes and equipment, enabling China's bottle - cap manufacturing machinery and plastic cap production technology to reach the world's advanced level. Well - known bottle - cap manufacturing machinery in the world, such as Sacmi, Alcoa, Husky, Demag, Nestal, and Engel, have all entered China. Meanwhile, in the field of plastic bottle - cap production, the competition between injection molding and compression molding processes has also begun. Technological innovation is undoubtedly the driving force for the rapid development of plastic anti - theft caps.