1.All kinds of ultrasonic plastic welding 2.Rise and fall with gear design ... Front lamps, rear lights, mirrors, etc. Looking backpacking:Cosmetic box, PVC box, toothpaste tubes, etcgeneral commercial products:Typewriter ribbons, tape cartridge ... , tape cartridge, computer disks, etc Features of ultrasonic welding machine:1. Japanese NTK transducer, imported cylinder, stronger ...