... in handing use, including the Ultrasonic hot fix machine, plastic welding machine, ultrasonic cutting machine. It can be separately used by hand or ... plastic hairpins, stamp strass in, that’s Ultrasonic hot fix machine. To be fitted with cuniform horn, cut piece material, ... that’s Ultrasonic cutting machine.Major Technical ParametersFrequency: 20kHz ,28 kHz,30 kHz,38 ...