ultrasonic welding for fabric sealing 1.Japan piezoelectricity ceramic transducer 2.PP,PE,PC, ... PVC,ABS,PU,CA,AS,PMMA,welding Ultrasonic welding for fabric sealingThe features of the machine:(ultrasonic welding for textile)1 ... weld will not give rise to any toxic substance as chemical, so it is a kind of safe weld method.