Aluminum foil bag is an ideal food packaging container. Many commodities in our daily life are packaged in aluminum foil bags. In food packaging, aluminum foil bags have many unique advantages:
（1）With easy to tear, can easily tear, more convenient and quick design more human
（2）Seal edge is neat, can be used by sealing machine, good sealing edge is tight, not easy to explode bag, rest assured to use to extend the shelf life preservation effect.
（3）Flat mouth design, the product space is larger.
（4）It can be evacuated to keep the food alive for longer periods of time.