The properties of steel can be greatly changed by adding silicon,magnesium,calcium and cerium as an alloy. The world class quality of OTG’s nodularizers and inoculants and other ferro alloys for cast iron answer the needs of the modern world. We are working hard to continue to refine our production process so that we can respond to the varied demands of the companies we work for. We are always improving the production of ferro alloy to continue to make the best product possible.