... , 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 30-70 pcs/m, hand bag (with hand laptop)30-40pcs/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 ...