There are many kinds of food composite packaging materials. Currently, there are hundreds of plastic-containing multi-layer composite materials used in food packaging bags. Scientific and reasonable compounding or lamination compatibility can almost meet the packaging requirements of various foods.
       Vacuum food packaging bags: Vacuum packaging can guarantee quality for at least one year, and the elderly can last for two years. Another example is that under normal temperature conditions, such as fresh pork and beef, the shelf life is only 2/3? days, and it can reach 6/10 days after vacuum packaging. For medicines, especially valuable Chinese herbal medicines, such as ginseng, angelica, astragalus, etc., vacuum food packaging bags can be used to prevent insects; medicines containing metal magnesium, vacuum food packaging bags can be used to avoid oxidation of magnesium; instant noodles, if vacuum food packaging bags are used Without preservatives, it also achieves the purpose of shelf life. Most foods can be used in vacuum food packaging bags.