Vacuum Packaging machine DZ-500-2S Range of Application: Brick shaped packing for Industries of rice,barm and foodetc.It also applies to packliquid flour matter Features: 1convenient operation: Only need to put the package into vacuum room for location,and then to cover the box,vacuumizaton can be automatically completed. 2 convenient to use Only need to connect the power. Air supply is unnecessary.It also can be located and move everywhere. 3 function features: Adopting famous brand of test,control and electric execute organ,which are of stable and reliable.Its parameter is changeable with wide application. Technical parameter: sealing length:500mm vacuum room acceptable thickness:120mm work efficiency:2--4 times/min vacuum pump:double 020 power supply:AC380V power:2.5KW