ferro siliocn powder is a kind of excipients in the process of steel-making.They were used as the deoxidizer and desulfurize. We are a professional manufacture of ferro silicon powder.Our products are of different brand and have been exported to USA,Germany,South Korea,Japan,Sweden,Turkey,Italy,Iran,Egypt,Indonesia,Malaysia,Vietc etc BrandChemical Composition/%SIAlCaMnCrPSC Range≤FeSi90Al1.587.0~ ...