silicon manganese is used for steel making ,we supply it with high quality and good price,we can produce 8000 tons per month Production Description:It is made by heating a mixture of the manganese oxide (MnO2), silicon dioxide (SiO2), and iron oxide (Fe2O3), with carbon in a furnace. Features:It is used as a intermediate material of deoxidizer and an alloying element in steel production, but also ...