Vacuum packing reduces atmospheric oxygen, limiting the growth of aerobic bacteria or fungi, and preventing the evaporation of volatile components over a long period of time. CONTINUOUS VACUUM PACKAGING MACHINE BELT-TYPE VACUUM PACKAGING DOUBLE CHAMBER VACUUM PACKAGING MACHINE SINGLE CHAMBER VACUUM PACKAGING MACHINE SHRINK TANK NOZZLE TYPE VACUUM PACKAGING TRAY SEALING MACHINE THEMOFORMING PACKAGING MACHINE