... ,zip, article welding, correction, anticipate alarm, stop, main-motor transducer, ultrasonic welding etc.2. Bag making speed: flat bag30-100pcs/m ... , folding bag 30-100pcs/m.3. The whole machine adopts ultrasonic welding technology in high performance. The welding part is in ... size and shape of the bag Multi-functional high speed Nonwoven Fabric Bag Making Machine