1.All kinds of ultrasonic plastic welding 2.Rise and fall with gear design 3.Free choice and match 4.Convenient, Huai ... :Plastic case, nylon strap, computer, speaker package shell, mobile phone batteriesautomotive industry:Front lamps, rear lights, mirrors, etc. ... tape cartridge, tape cartridge, computer disks, etc Features of ultrasonic welding machine:1. Japanese NTK transducer, imported cylinder, ...