Ferroalloy industry has experienced three stages: the study of manganese alloy powder suppliers from ferroalloy smelting methods, the scale of development and technical equipment, etc., the world ferroalloy industrial development can be divided into three development period. Blast furnace smelting period. 1860 and 1908 accounted for the blast furnace production development period of absolute advantage. Had mainly to meet the steel deoxidation and alloying of a small amount of demand, the number of small, quality is not high, the main varieties of high-carbon ferromanganese alloy, high-carbon ferrochrome and ferrosilicon manganese alloy powder price of low-grade, blast furnace ferroalloy steel production technology has been able to meet the requirements. Ferroalloy industry has experienced three periods: the blast furnace and electric large-scale development period. Many new varieties Buying manganese alloy powder, such as high-grade ferrosilicon, calcium silicon alloy, tungsten, iron, molybdenum, iron, low carbon ferromanganese and ferrochrome came into being. These varieties can not be produced in a blast furnace, so the development of electric technology. Especially with the implementation of long-distance transmission, a large number of electric technology developed.