... ABS,PU,CA,AS,PMMA,welding Ultrasonic welding plastic machineThe features of the machine:(ultrasonic welding for textile)1,Big power ... convenient2,Sheet metal welding nonrectangular columns,avoid fadeaway.3,automatic overloading protection device4,Import converter and steel booster, ... ultrasonic, but only to make appropriate vibration surface vibrate and generate heat; therefore, there is no worry about ...