... : clothes, jewelry, plastic processing, manufacturing, auto industry ultrasonic hand gun (hadle spot) welder is a general designation ... on benches to form the automatic ultrasonic equipment.Ultrasonic Handle Welder is basically formed by ultrasonic transducer, booster, horn, shell ... . The booster can not only fix the whole Ultrasonic Vibration System, but also amplify the transducer output amplitude. ...