... : 20kHzEach unit nominal power: 500W, 1000W, 1500W, 2000W, 3000W, frequency is lower, the greater the power of each unit; ... vibration parts typical weight: 12kgDriving power: analog power supply, numerical control of power and frequency automatic tracking, through ... ultrasonic argumentation of the project, the structure design, system configuration and the key components of the production ...