Vacuum compound bag  packing machine $ aluminum foil bag vacuum packaging machine Model:  ZF300 Product Name: 300 tea vacuum machine Product Description: Vacuum  machine to plastic composite film or plastic foil composite film for the  packaging materials, a variety of instruments, food. Pickles,  preserved fruit, aquatic products, native products, chemical raw  materials, electronic components and military supplies. Whether  it is solid, powder, paste or liquid can be vacuum sealed packaging.As  the vacuum inside the bag, can effectively prevent the oxidation of  lipid and aerobic bacteria caused by the proliferation of food  corruption and deterioration, to durability ,  Preservation, flavor, color retention function, to extend the product  (commodity) storage period, while some of the soft items, after vacuum  packaging to reduce the packaging volume, easy to transport.