1. It is widely used from fresh food to cooked food, from grain to meat, from single package to delivery package, from solid food to liquid food, covering the whole industrial chain of food production, processing and sale.
2. There are various packaging methods, including tray, container, hose, woven bag, single-layer plastic film, multi-layer composite film and so on.
3. The use of plastic packaging conditions vary, including refrigeration, microwave heating, high temperature cooking.
4. Direct contact with the internal packaging of food packaging is the primary method, and the contents of the packaging of the ingredients and very complex.