1. It can automatically accomplish the normal-length thermal cutting as well as the bottom hemming for the woven cloth in roll, which saves labor forces.

2. It adopts the servomotor to drive and the optical code meter to count the length, which precisely controls the length of bags.

3. After the heating cutting, the plackets of bags are easy to open, not conglutinated.

4. By pneumatic up coiling, it is easy and convenient to control.