... .Imported parts over 90% 2.fully- auto system , auto stop when water is full and auto start when on water . The FRO ... %fully- auto system , auto stop when water is full and auto start when on water .Auto backwash , IC microcomputer control system ,auto backwash RO ... line .Well water conductivity ≤10Reverse osmosis desalination rate ≥99%,system desalination rate ≥97%, filtrating rate of organic matter , ...