At present, the vacuum packing bag is mainly used in food packaging, food such as meat, grain processing and easy oxidation of food, can also be used for mechanical parts, instruments and feather products, fur products such as fluffy products packaging.Vacuum packing bag after filling the vacuum nitrogen, carbon dioxide, oxygen, a single or a combination of two or three kinds of gas gas, can on food have a very good protection effect.
As people living standard gradually improve, as well as the improving of the quality of life, vacuum packaging bags in contemporary has played an important role in people's life, it is a typical field of vertical and packaging technology, plays an irreplaceable role.