The ferromanganese based on manganese ore as raw material, made ​ ​ In the blast furnace or electric furnace smelting, ferromanganese, steel deoxidizer, manganese desulfurization and reduction of sulfur in the harmful effects of the role, and thus in a variety of steel and cast ironalmost all contain a certain amount of manganese, ferromanganese, but also as an important alloying agent, widely used in structural steel, tool steel, stainless steel heat resistant steel, wear-resistant steel and other alloy steels.