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 ... , stop, main-motor transducer, ultrasonic welding etc.2. Bag making speed: flat bag30-100pcs/m, 3 side box bag30-60pcs/m, zipper bag 30-70 ...