We Can supply all kind of ferro Silicon, if you have demand please kindly contact us ! Fellow is the main spec we can supply 1. Si 70% min, C 0.2%max, Al 2% max,S 0.04%max, P 0.02%max 2. Si 72% min, C 0.2%max, Al 2% max,S 0.04%max, P 0.02%max 3. Si 75% min, C 0.2%max, Al 2% max,S 0.04%max, P 0.02%max 4. Low Al FeSi 75% Si75 C0.2 Al0.5 S0.04 P0.02 Size:10-50 mm,10-100mm Other chemical composition and size can be supplied upon request. Also supply very good price for FeSi 65% min with fellow spec 1. Si 65% min, C 0.2%max, Al 3% max, S 0.04%max, P 0.04%max 2. Si 70% min, C 0.2%max, Al 3% max, S 0.04%max, P 0.04%max Ferro Silicon Powder: FeSi powder Si 43-47 C 0.15%max Al1.0%max S 0.035%max P0.035% max Size:50-200 mesh. Other spec and size upon client request