Ultrasonic Cleaner (1) Lowest back-repair rate (2) Safe (3) 3L,4L,5L,6L,10L,22L,33L ... ultrasonic cleaner equipment OEM. Ultrasonic Cleaner:(1) Lowest back-repair rate(2) Safe(3) 3L,4L,5L,6L,10L,22L,33L ... contaminants adhering to substrates like metals, plastics, glass, rubber, andceramics. This action also penetrates blind holes, cracks, and recesses. The intention ...