1,Ultrasonic Plastic Fog Lamp Welding Machine 2,high power,high frequency,high quality 3,Import converter steel booster The features of the machine:(Ultrasonic Plastic Fog Lamp Welding Machine)1,Big power,using four balance adjustment,horn-adjustment convenient2,Sheet metal welding nonrectangular columns,avoid fadeaway.3,automatic overloading protection device4,Import converter and steel booster, ...