... columns,Coattails groove design,welding more precision. 5.Two hands pneumatic,Have emergency braking in front., also can be ... 650*950*2250Net weight(kg)121kg121kg131kg238kg(Floor)Application fields:(ultrasonic plastic welding equipment): Widely used in the automotive industry, ... , packaging industry, toy industry and so on. Such as plastic body parts, car doors, car dashboard,lights,mirrors, sun ...