... to get rid of rot.Sausage, cookie, steamed bread, aquatic product, cake, bread and so on2)Get rid of oxidation, color change ... and keep the taste and smell of the food.Peanut kernel, fried cookie, dairy product ... should be below 20ml/m2·atm·24hr.Use a Sealing equipment to seal the package to prevent the air from outside.Attention:lDon’t use ...