As long as you press the vacuum case's lid, the machine will automatically complete the orderly assumed processes of vacuum extraction or aerate the orderly assumed processes of vacuum extraction or aerate the inner gas,sealing, printing, cooling and aeration. The packed products can be prevented from oxidation, going mould, insects or getting damp, thus can be kept fresh in a prolonged storage period. we can Make machine base on your requirement. Model DZ-1200CVoltage power 380V/50Hz/6.3KWPump power 2.2KWHeater power 1.5KWVacuum ≤1KPaChamber Size 1000mm×350mm×70mmCapacity 6Number/minSealing Length 1200mm×12Dimension 1852mm×1480mm×1360mmWeight 600kg