... auto start when no water. Auto backwash. IC microcomputer control system, auto backwash RO film, raw water and well water ... , Well water conductivity≤10µs/cmReverse osmosis desalination rate≥99%,system desalination rate≥97%, filtrating rate of organic matter, colloids, ... of all kinds of packing machines, as well as management & cooperation. More about us and our products please do not hesitate ...