IONLITE BR 100 is a sort of anion exchange resin which has coordination amino in styrene copolymer with macroporous structure. This kind of chemical structure is easy for boron in water to form stable complex compound, therefore to reduce borate in water solution. It is mainly applying to remove boron in potable water and irrigation water with large exchange capacity and fast exchange speed. After treatment, it could reach to the National Drinking Water Standard which is less than 0.5mg/L.