Application: This series of products has an ultra-high background magnetic field that cannot be achieved by ordinary electromagnetic equipment, and can effectively separate weakly magnetic substances in fine-grained minerals.It is suitable for beneficiation of rare metals, non-ferrous metals and non-metallic ores, such as cobalt ore enrichment, impurity removal and purification of kaolin and feldspar non-metallic ores, and can also be used in sewage treatment and seawater purification and other fields.