Cooking is a special vacuum bag vacuum bag, can be high temperature to reach 121 ° c, and can be directly used for packaging food, cooking vacuum bag to be sterilized before 48 hours in high-temperature sterilization room, sterility requirements. Cooking vacuum bag 10 is generally the thickest wire can be vacuumed, and vacuum effect, is the first choice of cooked food packaging, retort vacuum Cheng Yi factory direct, demanding product quality, perfect service to our customers commitment, Cheng Yi packaging is the preferred wholesale cooking your vacuum bag. If you need to know about cooking vacuum of information are welcome to inquire, we will be happy to serve you. Excessive packaging, pollution may increase. Now the food, as long as it can be sent out as gifts, is bound in a complex with attractive packaging, generous layer after layer of packaging materials of various materials. This will not only directly affect the price of goods, there may be a serious harm to human health. For example, the use of PVC material made of moon cake tray to contain large amounts of toxic and hazardous substances. Moon cake contains more fat, these toxic and hazardous substances dissolved in the oil will be migrated to the moon cake, it will cause harm to human health.