28KHz Single Tank Industrial Ultrasonic Cleaning Machine for Washing Auto Parts Lab Equipment Engine Parts Ultrasound CleanerUltrasonic frequency: 28KHzUltrasonic Power: 0-3600WHeating Power: 0-9000WPower supply: 220V/ 380V ACCapacity: 37 for: Cleaning Metal, Hardware, Mould, Mold, Jewelry, Lab, DPF, Oil Rust Dust Romove, Car Engine Block Ship Gear Parts, PCB, etc.