... 4.Sheet metal nonrectangular columns,Coattails groove design,welding more precision. 5.Two hands pneumatic,Have ... weight(kg)121kg121kg131kg238kg(Floor)Application fields:(ultrasonic plastic welding equipment): Widely used in the automotive industry, ... interior parts, filters, reflective material, reflective spike,bumper, cable,motorcycle plastic filter, radiator , tanks,pallet plates. Plastic ...