Deoxidizer is a material used to reduce the content of gases such as oxygen in molten steel. The product has good deoxidation effect, which can reduce harmful gases in molten steel， improve the fluidity of molten steel, reduce inclusions and pure molten steel,  improve the alloy yield, and reduce the amount of alloy, that is reduce the cost of tons of steel. At the same time, it can replace some ferrosilicon and calcium silicon, reduce or cancel the feeding line.