The main method of ferroalloy production: refining furnace (EAF) method. Refining furnace method is to use silicon (silicon alloy) alloy products, relying on heat and electric arc smelting silicon-oxygen reaction heat. Charge is added from the roof or the furnace door, the whole process is divided into arc smelting, feeding, melting, refining and iron and other five processes, the production is carried out intermittently. Ferroalloys: ferroalloys and various needs based on metallic silicon steel, according to the carbon content of alloying elements or the level of provision many grades of silicon metal prices and strictly limited to impurities. Iron alloy containing two or more alloying elements are called complex ferroalloy metal silicon manufacturer, the use of such alloy can be simultaneously deoxygenated or alloying elements, steel-making process beneficial, and can be reasonably economical utilization of associated mineral resources.