multifuntion non woven fabric bag making machine Characteristics:1. This machine adopts micro-computer control system with stepping motor(servo)feeding, photoelectric tracking, automatically punching, rush corner,zip, article welding, correction, anticipate alarm, stop, main-motor transducer, ultrasonic welding etc.2. Bag making speed: flat bag30-100pcs/m, 3 side box bag30-60pcs/m, zipper bag 30- ...