... rush corner,zip, article welding, correction, anticipate alarm, stop, main-motor transducer, ultrasonic welding etc.2. Bag making speed: flat bag30- ... 40pcs/m, vest bag 30-80pcs/m, folding bag 30-100pcs/m.3. The whole machine adopts ultrasonic welding technology in high ... performance. The welding part is in ...