... ,Fe,Al,Ca,S.P,C 2.Application:steel-making,iron casting 3.high quality,low price 4.Ningxia Ferro silicon Ferro ... as a reductant in ferroalloy production and chemical industry.In iron industry it often used as inoculant and nodulizer and deoxidize ... :SUNNYTEL:86-0411-83611644/0086-15998488207 Ferro silicon72%&75% used for steel-making