ROTAVI INDUSTRIAL LTDA - Factory located in Várzea da Palma, MG - With a robust production capacity, which reaches 72 thousand tons per year of Ferrosilicon Inoculants and Special Alloys Rotavi exports around 80% of its local production to more than 50 countries around the world. WHAT DRIVES US - Rotavi Industrial – Ferro Alloys Division – produces FeSi std, FeSI HP, special FeSi, inoculants and special FeSiMg alloys for nodular iron, calcium silicon and its derivatives - Products with their own know-how and technical support (research and development laboratory) and quality certification by JISC, DIN, ASTM, SAE and ISO 9001/2015