Vacuum sealing machine is to pack food into the packaging bag, extract the air from the packaging bag, reach a predetermined vacuum, complete the sealing process. It can have the following functions: 1. suction and seal for the bag; 2, seal the bag mouth directly. After the food is packed in vacuum, the air pressure inside the bag is stronger than that outside the bag. It can effectively prevent the food from crushing and deformation without affecting the appearance and printing decoration of the bag.
