... 3. The lowest price. 4. Hot sale oversales, 90% for export Ferrosilicon is iron alloy composed of iron and silicon. Ferrosilicon ... products, we have invested for some factories and owned the export right, such as Ferro Silicon, Silicon Carbide, Silico Manganese, ... well. All the advantages of marine logistics, production capability and export right, etc. determine that our prices are the most ...