... handle welder Power: 50W,100W,200W,300W,500W Application : clothes, jewelry, plastic processing, manufactu asonic spot hot fix handle ... benches to form the automatic ultrasonic equipment.Ultrasonic Handle Welder is basically formed by ultrasonic transducer, booster ... 100W,200W,300W,500WPower Adjusting: Step or continuousSwitch: handle or foot switchWorking time control: 0-999secondsHorn sonotrode ...