This machine is automatic vacuum packing machine, also known as automatic stretch film vacuum packing machine/automatic plastic box thermal forming vacuum packing machine, suitable for all kinds of food, meat products, seafood, fruits and vegetables, pickles, chilled meat, medical products, hardware components, medical instruments, etc. The main advantages of this machine: up and down scale positioning, easy adjustment, accurate. Upper and lower cutters have long service life. Imported electric control step, high precision, no cumulative error. Operation more time saving, labor saving, no material waste.