The magic of packaging bags.

　　1、 Protect food and extend its shelf life

　　In the whole circulation process, food should be handled, loaded and unloaded, transported and stored, which is easy to cause damage to the appearance quality of food. After the food is packaged inside and outside, it can avoid extrusion, impact, vibration, temperature difference and other phenomena, and protect the food from damage.

　　In addition, the food produced has certain nutrients and moisture, which provides the basic conditions for the propagation of bacteria in the air. The packaging can separate the goods from oxygen, steam, stains, etc. to prevent food deterioration and extend the shelf life of food.

　　Vacuum packaging can prevent food from being directly exposed to sunlight and light, thus avoiding food oxidation, discoloration and taste change.

　　Anti leakage is also a necessary factor in packaging design. Some packages include desiccants or deoxidizers to extend the shelf life.

　　2、 Space saving and convenient circulation

　　Some foods need to be packaged separately to better circulate in the market. For example, for objects such as powders and granules, and for liquids such as drinks and drinks, packaging is both a container and a circulation tool. The appearance of packaging has facilitated their circulation and further promoted the expansion of the scale of such products.

　　In addition, some food with local characteristics can only flow to other places after packaging.

　　3、 Conveying information

　　The label in the package will convey the basic information of the product to consumers, such as the production date, ingredients, production site, shelf life, etc., and also tell consumers how to use the product and what precautions should be taken. The label generated by the package is equivalent to a repeated broadcast mouth, which avoids repeated publicity by the manufacturer and helps consumers quickly understand the product.

　　4、 Improve product competitiveness

　　When design is paid more and more attention, packaging is endowed with marketing value. In modern society, the quality of a design will directly affect consumers' desire to buy. Good packaging can capture the psychological needs of consumers through design, attract consumers, and enable them to buy. In addition, packaging can also help products establish brand and form brand effect.

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