At present the country has been converted into a new and heavy - Magnetic factory has Citylink Fujian, Guangxi, leading, Jingxi and lower manganese ore mine and so on. For example, Liancheng Manganese Mine Heavy-Magnetic Separation Plant mainly treats leaching manganese oxide ore, and uses AM-30 jig to treat 30~3mm washed ore, which can obtain high-quality manganese concentrate containing more than 40% manganese. After the removal of impurities, it can be used as a raw material for battery manganese powder. After jigging tailings and less than 3mm washing ore grinding to less than 1m, the selection of manganese ore concentrate should be increased by 24% to 25%, reaching 36% to 40%.