Why do paper handbags need to be covered?The main materials used in paper bags are white cardboard, kraft paper, copperplate paper, special paper, etc. When making handbags, merchants usually print...

Food packaging has brought great convenience to both sellers and consumers, not only in use, but also in safety. Food is easily exposed to oxygen and bacteria in the air, which affects the taste an...

There are many materials for paper bags. Nowadays, the most important thing is the environmental protection of paper bags processing. What is the environmental protection concept of paper bag proce...