External vacuum packaging machine vacuum and filling with inert gas and aroma features that make packaging preservation，to prevent oxidation to achieve long-term preservation and prevention of volatile aroma purpose.

External vacuum packaging machine is to use the exhaust nozzle of the air bag packaging vacuum absorption to achieve，so work fast，not a packaged product size constraints，to ensure the appearance of the packaged goods.

This machine adopts microcomputer control system，the packing parameter setting precise，stable，with a single preset，you can long-term use，the future does not need to re-set.