Ultrasonic Cleaner with Mechanical Timer Reviews Ultrasonic Cleaner with Mechanical Timer (Mechanical Ultrasonic Cleaner) manufactured by Beijing Ultrasonic Cleaning Machine suppliers. High quantity stainless steel body, timer and hearing can be adjusted. Digital Ultrasonic Cleaner Reviews Digital Ultrasonic Cleaner includes ultrasonic jewelry cleaner, dental ultrasonic cleaner, ultrasonic gun cleaner. Widely used for cleaning Jewelry,Watches, Necklaces,