... Three Layers Bag Making Machines,Plastic Bag Making Machine, Bag Making Machine of Paste Bone, Stationery, Plastic Welding Machine, Machinery, Automation Equipment, etc ... amplitude loss indication and adjustment. Application 1) Ultrasonic plastic welding 2)Ultrasonic Non-woven welding Transducer parameters TypeResonance ... Ω120100MΩ Ultrasonic generator Ultrasonic welding generator for plastic machine