ultrasonic welding PVC product 1.Japan piezoelectricity ceramic transducer 2.PP,PE,PC,PVC, ... ,Big power,using four balance adjustment,horn-adjustment convenient2,Sheet metal welding nonrectangular columns,avoid fadeaway.3,automatic overloading protection device4 ... ; therefore, there is no worry about any scar left on product surface, which is the characteristic of conductive weld. While welding ...