ultrasonic welding plastic machine 1.Japan piezoelectricity ceramic transducer 2.PP,PE,PC,PVC, ... ,AS,PMMA,welding Ultrasonic welding plastic machineThe features of the machine:(ultrasonic welding for textile)1,Big power,using four balance ... make whole material of welded part vibrate through ultrasonic, but only to make appropriate vibration surface vibrate and generate heat; therefore ...