1, DZ series vacuum packaging machine and DZQ series  vacuum inflflatable packaging machine, just press the  vacuum chamber cover can be vacuumized according to  the set procedure or after vacuumizing into the emotional gas, sealing, printing, cooling, exhaust the air. After the  vacuum or true air adjustment package,it can prevent  oxidation, mildew, moth-eaten, damp, prolong the  product storage period.  2, DZS-600/2SB deepen products for the studio, designed  for aquatic products, food and other industries to  prepare a large packaging machine.