... steel 2.one/two stage reverse osmosis 3.automatic, high desalting rate 4.low energy consumption, Reverse Osmosis Water Purifier Application: Electronic/ ... system, auto backwash RO fil, raw water and well water conductivity is displayed on line.3, Reverse osmosis desalination rate more than99%, system ... We value the good relationships with customers. Promake UPVC reverse osmosis water treatment system