Magnesita is a leading global refractory and mining company with over 70 years of experience. It has a presence in 4 continents and supplies over 850 clients worldwide. Refractories are crucial fireproof materials used in high-temperature industrial processes like steel and cement production, representing about 85% of Magnesita's revenues. They provide heat, chemical, and mechanical resistance in furnaces and kilns. Being able to reliably supply high-quality raw materials like magnesite and dolomite is important to the refractory industry.