Do you remember my portable ultrasonic turbine mini washer that I bought at the price of slightly above RM40 that I used it to wash the mopping cloth of my Roborock S7 robot cleaner?Unfortunately, I have to tell you that it cannot last long, and started to malfunction after about 3 months of daily Usage. Maybe its motor is too weak to handle daily usage, and now it could hardly spin.It is still a