RHI’s core business comprises the production, sale and installation of high-grade ceramic refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries steel, cement, lime, nonferrous metals, glass and environment-energy-chemicals.

RHI is a globally operating supplier of high-grade refractory products, systems and services, which are indispensable for industrial high-temperature processes exceeding 1,200 °C.

With roughly 8,000 employees, 32 production facilities and more than 70 sales offices, RHI serves more than 10,000 customers in nearly all countries of the world.
RHI covers approximately 80% of its requirements from eight Group-owned raw material sites and is therefore largely independent of raw material markets.