The single-chamber vacuum packaging machine is small in size, saves space, and is suitable for small-scale commodity packaging. Food vacuum packing machine is mainly used for packaging all kinds of snack foods, such as chicken legs, ham, chicken feet, spiced corned egg, spicy strips, grilled fish fillets, beef jerky, sausages, meat, etc. Also, It can pack meat, seafood, etc. The air in the packing bag is eliminated, which can effectively prevent food from spoiling.