Double vacuum machine 

Vacuum packaging machine: Put the item that need to be packed to the package bag,evacuate the air in the bag, finish the sealing procedure when it  reaches  the expected vacuity. 

Vacuum inflation packing : put the good into the package bag,evacuated the air to reach expected vacuity, inflated in nitrogen or other gas mixture, sealing was finished then. Suzhou Sumeite manufacture single and double vacuum packaging machine,outer roller vacuum packaging machine. We adopted  the latest touching computer plate which makes it easy to operate, cost-effective and long life,  it is suitable for package of food, agricultural specialties,chemical materials,artworks,metal hardware and electric apparatuses,etc