... 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,Big power,using ... booster,durable stability5,Frequency adjustable and automatically compensate the circuit6,Straight line guide bearing,precision trimming ...