The JY-type cleaning machine adopts one switch and one indicator light corresponding to the switch, which leads to a simple operation for the ultrasonic wave cleaning machine.
  The JY-type cleaning machine is applied to cleaning materials of any kind, and customers can decide cleaning time. 

The guarantee period is one year from the date of sell. The guarantee machine is with correct install and usage, not man-made problem. Send back machine to local distributor or seller with proper packing(include warranty card).We will exchange a new one or repair and return machine to you within one week from we receive it.