Food in the processing, transportation, storage, sales, and consumer use of the process of packaging. Food packaging container usually refers to the direct contact with the food packaging container, that is, the inner packaging container. Food packing container wholesalehas four main functions: to protect food, facilitate transportation, market, and display information.

Protection function: the protection function is the most important reason for food packing container wholesale, and this function is mainly completed by the structure design of the container. After the product is processed and packaged, it has to go through a series of circulation channels before it reaches the hands of users or consumers. In this process, commodities will be subjected to a series of hazards brought about by external environmental factors, the design of container structure is to take various measures against these disadvantages, including the design of shock absorption, moisture-proof waterproof design, rust-proof design, anti-static design, anti-ultraviolet radiation design.

Convenience: food packing container wholesale should have a wide range of convenience functions, mainly from the container structure design considerations. This will play an important role in improving work efficiency and quality of life.

Sales function: food packing container wholesale's innovation in structural design, often plays a big role in sales promotion, such as Zipper-type plastic bags, window display cartons, and easy-open cans are attractive to consumers.

Information function: In addition to the name of the product, the name of the factory, the address, the postcode, and the code of the product, there should also be the use of the product, the matters needing attention, and the place of repair, etc., especially for food and medicine, people pay more attention to the information marked on the outer packaging container, especially the food quality and safety signs, production date, shelf life, product standard number and so on.