... double head welding 2, Applied to:PC, PE, ABS, acrylic material, etc. 3,15KHZ double head The features of the machine ... materials. The weld method is not to make whole material of welded part vibrate through ultrasonic, but only to ... car dashboard,lights,mirrors, sun visor, interior parts, filters, reflective material, reflective spike,bumper, cable,motorcycle plastic filter, radiator , tanks,pallet ...