Ultrasonic Cleaner (1) Lowest back-repair rate (2) Safe (3) 3L,4L,5L,6L,10L, ... and big ultrasonic cleaner equipment OEM. Ultrasonic Cleaner:(1) Lowest back-repair rate(2) Safe(3) 3L,4L,5L,6L,10L ... problem.(6) Different countries have different kind of plug.(7) I could translate the current user guide into Local lanuage.(8 ...