multifuntion non woven fabric bag making machine Characteristics:1. This machine adopts micro-computer control system with stepping motor(servo) ... alarm, stop, main-motor transducer, ultrasonic welding etc.2. Bag making speed: flat bag30-100pcs/m, 3 side box bag30-60pcs/m ... m, vest bag 30-80pcs/m, folding bag 30-100pcs/m.3. The whole machine adopts ultrasonic welding technology in high performance. ...