... High frequency. 3.Cleaning function is good 4.Ultrasonic wave control ultrasonic cleaner machine hj1012F1:304 stainless stell 2; digital ... glasses, Jewelry, polyester filtration core and etc1.Ultrasonic cleaner machine hj1024 of ultrasonic wave is to use the waves over the ... within the liquid.2.When ultrasonic waves, longitudinal waves, are conducting within the cleaner,3.which pushing function for ...