ultrapure water and RO pure water system provides the overall solution of laboratory water. This series of machine use tap water as a source. At the same time, the preparation of 18.2 MΩ·cm ultrapure water and RO pure water, ultrapure water reach or exceed the quality standards of China laboratory water and test methods(GB6682-2008)and ASTM, CLSI, ISO3696 level of water quality standards. This system is compact and easy to operate.