A) understand the characteristics of food itself and the conditions they require to ensure their protection bag of good food should first understand the inner reaction PP polypropylene food bags main ingredient of food, processing and storage characteristics and distribution process may occur, including internal biochemical reactions and biological deterioration of corruption abiotic reaction mechanism, secondly should review the impact of food in the main component of PE polyethylene food bags, food bags especially sensitive factor fat, protein, vitamins and other nutrients, including light, oxygen, Factors temperature, microorganisms, physics, mechanics and other aspects. Food bag manufacturers tell us competitive prices for food packaging bags, food bags are used to pack food, so that it can better be preserved and transportation; on the other hand, the use of food bags also can play the role of landscaping to achieve purpose of attracting consumers. So many food manufacturers will be able to go to the choice of packaging, and to design food packaging, but must be appropriate, otherwise would be wasted. PP polypropylene food bags | Matsubara food bags | Hongqi Hongqi Plastic Factory Xiongxian plastics plant by. Red Xiongxian plastics plant (tztz89647.ynshangji.com) strong, credible, in Baoding plastic materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the red plastic factory and you hand in hand into the brilliant, for a better future!