RHI Magnesita is a global supplier of high-grade refractory products, systems, and services used in industrial high-temperature processes across various industries, including steel, cement, glass, and non-ferrous metals. The company is involved in the design, production, delivery, installation, monitoring, maintenance, removal, and recycling of optimized refractory solutions. RHI Magnesita is headquartered in Vienna, Austria, and was originally founded in 1834.