... .composiyion:Si,Fe,Al,Ca,S.P,C 2.Application:steel-making,iron casting 3.high quality,low price 4.Ningxia ... in steelmaking.Application:Ferrosilicon is often used as deoxidizer in steel-making.Ferrosilicon also can be used as alloy elements join ... :SUNNYTEL:86-0411-83611644/0086-15998488207 Ferro silicon72%&75% used for steel-making