Stretch film vacuum packaging machine is the most automated of all vacuum machines. Of course, it is also more expensive. It has also become a fully automatic vacuum packaging machine or a fully automatic plastic box thermoforming vacuum packaging machine. This vacuum sealing machine is used in many industries, such as hairtail, sea cucumber and other seafood, as well as some snack foods such as chicken feet and chicken wings that we usually eat, as well as pharmaceutical products, etc. This equipment can be used , carry out vacuum or controlled atmosphere packaging.