Nickel zinc magnetic ring main by three oxidation II iron (Fe2O3), and zinc oxide (ZnO), and oxidation Asia nickel (NiO), and oxidation copper (CuO), and carbonate manganese (MnCO3) respectively highest content 60%, and 15%, and 10%, and 10%, and 5%. after ingredients, and forming, and used furnace kiln sintering and into. nickel zinc magnetic ring products application Yu computer display LCD TV, and electrical data line, and flat type row line, and communications equipment line, and anti-interference filter line, and electrical row line, and power line, and USB line, series anti-interference effect.