1.Vacuum ¡÷ inflating ¡÷ sealing ¡÷imprinting 2.Captanle of vacuuming only, or both vacuuming and inflating. 3.Inflating packing with nitrogen directly through the tube without leaking. 4.The seal is exquisite and firm. 5.Tough panel control for ease operation. 6.Able to process 20 different working modules. 7.Auto quantity warning device and auto warning display. 8.Suitable hor heat sealable materials. 9.Maximum production per minute: ~20 (depends on packing size and content) 10.Sealing speed adjustable from 5~13m/min. 11.The machine can not available dry powder and liquid