... jewelry, plastic processing, manufacturing, auto industry ultrasonic hand gun (hadle spot) welder is ... the automatic ultrasonic equipment.Ultrasonic Handle Welder is basically formed by ultrasonic transducer, booster ... sonotrode Diameter: 30mm,40mm,50mm,60mmMaterial of Horn: steel, aluminum alloy, special bladeApplication : clothes, jewelry, plastic processing, manufacturing, auto industry ultrasonic ...