The lifting external vacuum packaging machine adopts a long air nozzle design, and the air nozzle length can be adjusted freely from 0–200MM. In addition to the automatic lift transmission design, just press the lift switch. Automatically raise or lower to the appropriate vacuum position, so that the pumping and inflation speed is fast, the work efficiency is high, and the operation is simple. At the same time, it has the functions of vacuuming and inflating or filling mixed gas packaging (optional) and inflating functions: (CO2, N1, etc.) it is easy to use the packaging to preserve freshness.