1. stainless steel tank has resistance to wear and long work life. 2. tank capacity:135Liter 3.Use just tab water, or industrial alcohol and solvent cleaner for more higher cleaning requirement 5.industrial control chip microcontroller.flexible circuit boards control, more secure & stable 6.with drainage,basket,lid and Multi-direction castors 7. Transducer : Korea techinique 8. PCB board is independent research and development design production by skymen 9. It can applied to clean cast iron, steel, stainless steel, brass, bronze