Usage and features: 
This machine is applied to automatically making vest bags at a high speed, and cutting the U-shape ports and discarding the wastes automatically. It is suitable for the large and middle-sized enterprises to produce at a large scale.

Performance and allocations:
Speedy bag-making, long time continual running, unnecessary to have a special operator;
Auto punching and discarding;
Auto stop at absence of materials and falling off;
Many kinds of man machine interface optional.