Multi-head Ultrasonic Welder for Automobile Instrument Panel 1.Digital generator 2. 4 heads 3. ... housing+acryl window Multi-head Ultrasonic Welder for Automobile Instrument Panel For this automobile instrument panel welding machine ,we adopt the Digital ... as plastic body parts, car doors, car dashboard,lights,mirrors, sun visor, interior parts, filters, reflective material, reflective spike,bumper, ...