- Ferro Molybdenum(페로 몰리브덴) : Mo 60% min

- Ferro Vanadium(페로 바나듐) : V 75% min

- Ferro Chrome (페로크롬 : High,Medium,Low Carbon) : Cr 60% min

- Ferro Silicon (페로실리콘) : Si 75% min

- Ferro Manganese (페로망간) : Mn 75% min