Ultrasonic welding generator Welding generator 20khz ultrasonic welding transducer Ultrasonic Welding Generator 1. Application Range: Ultrasonic Lace machine, Non-woven Automatic Machinery, Three Layers Bag Making ... Machines,Plastic Bag Making Machine, Bag Making Machine of Paste Bone, Stationery, Plastic Welding Machine, Machinery, Automation Equipment, etc. Specifications 1 ...