Cardboard is a single- or multi-layer composite paper made entirely of bleached chemical pulp and has a full size for printing and product packaging. Its comprehensive flexibility is strong and its plasticity is great. As a result, the use of white cardboard has become increasingly common. Especially as the demand for various cultures grows, so does the demand for white papers that are priced at.

Classification instructions for paper

Among various forms of paper packaging, rigid box packaging has developed rapidly. It is widely used in tobacco, food, medicine, daily chemicals and other fields related to people's life information, and the demand is still expanding. In the United States, 80% of packaging printing plants plan to switch to packaging color box production, while in China, it is growing rapidly at an annual rate of 18%.