... atuomatically. 4.Sheet metal nonrectangular columns,Coattails groove design,welding more precision. 5.Two hands pneumatic,Have emergency ... *2250Net weight(kg)121kg121kg131kg238kg(Floor)Application fields:(ultrasonic plastic welding equipment): Widely used in the automotive industry, electronic industry ... professional advice within 8 hours,and send the product catalog emial to you ,or we will reply you ...