| Raw water pump | provide the pressure to quartz sand filter/active carbon filter/ water softener |
| Sand filter | Get rid of turbidity, suspended matter |
| Active Carbon filter | Remove the color, free chloride, organic matter, harmful matter, ect. |
| Softener | Exchange "ions" of calcium and magnesium with the most common and easiest method. |
| Precision filter | Prevent large particles into RO membrane, accuracy is 5um |
| High pressure pump | Provide the high pressure to RO membrane |
| RO system | Main part of the plant. The RO membrane's desalting rate can reach 97% and above, removing over 99% ions. |