... It is mainly composed of the following equipments: Pre-treatment system (multi-medium filter, active carbon filter, ion exchange, ... ), membrane separation system (Ultra filtration, nanometer filter, RO water treatment system, 1stage or 2 stage), sterilization system (UV sterilizer, ozone ... -Middle water tank -2ND high pressure pump- water recycle Ozone generator 2ND stage RO - Pure water tank- ...