... foodstuff, drinking water. 4.1 year guantee ro water treatment system Use:Cosmetic, pharmacy, chemical industries, foodstuff, drinking water. Feature ... on line.3, Peverse osmosis desalination rate more than99%, system desalination rate more than 97%, filtrating rate of organic ... 400RO-500-A is reverse osmosis +Mixed bed (zwitterions exchange column) outlet electrical conductivity is within 0.1-1.0us ...