Product description
This is a specialized vacuum packing machine used for plastic vacuum packing and Vacuum packing using specialized plastic bags: various kinds of vegetables, meats, fish, cooked food or other household items, desert and dried food.
All kinds of food bag with lines, can be vacuum, can be sealed.
The two sides without lines have corners, which can be vacuumized and sealed.
No lines no corners ordinary smooth bag, can not be vacuum, can be sealed.
Three operational problems with only sealing and not vacuuming:
1.You are using a glossy bag, not a textured bag that the machine can use.
2.When closing the lid too hard, the machine started the single-sealing function, and the red light was on to seal directly, and then the vacuum could not be drawn. 
3.Do not press down on the shell when using the product.