... 1.Japan piezoelectricity ceramic transducer 2.PP,PE,PC,PVC,ABS,PU,CA,AS,PMMA,welding Ultrasonic welding textileThe features of the ... not to make whole material of welded part vibrate through ultrasonic, but only to make appropriate vibration surface vibrate and generate ... hard plastic parts, the weld effect is much better.12, Ultrasonic weld will not give rise to any toxic substance as ...