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