... handing use, including the Ultrasonic hot fix machine, plastic welding machine, ultrasonic cutting machine. It can be separately used by hand ... To melt part of plastic hairpins, stamp strass in, that’s Ultrasonic hot fix machine. To be fitted with ... Horn: steel, aluminum alloy, special bladeApplication : clothes, jewelry, plastic processing, manufacturing, auto industry ultrasonic hand gun (hadle spot) ...