This category of packaging machines are based on the working of vacuum pump to take away the air inside the packaging bags. Normally it’s called vacuum packer, vacuum packager, vacuum packing machine, vacuum packaging machine, vacuum sealer, vacuum sealing machine, etc.
This category includes desktop vacuum packing machines, single-chamber vacuum packing machines, double-chamber packaging machines, external type vacuum packing machine, household vacuum packer, thermoforming vacuum packager, etc.