As we all know, more and more products on the market are packaged in paper cans, and the range of industries involved is becoming wider and wider. Paper cans use paper as raw materials, natural and environmentally-friendly materials, and are veritable green packaging. With the country's restrictions on plastic packaging products, paper can packaging has received wider attention and applications, especially in the food industry.

With the acceleration of people's life rhythm, time and efficiency have become the most important factors. Convenience and simplicity are more required in the packaging of products, especially food, a large number of semi-finished products, frozen food, cooked food products, microwave food Emerging to adapt to changes in people's life rhythm, packaging design also follows this change in structure, materials, and functions.