Vacuum packing machine is used to pack perishable food. This machine has two vacuum chambers. When you using one vacuum chamber, you can put products in the other chamber to be ready for packing, so as to improve the packing efficiency. Users just need to press the vacuum cover, then the whole process including pumping air, sealing, cooling and exhausting fully automated. After being packed, it can prevent oxidation, mildew, moth-eaten, moisture and extend the shelf life of products.