February 2026 Martin Marietta Magnesia Specialties expanded production of high-performance magnesium oxide products used in refractory and industrial applications, strengthening domestic supply capabilities.
November 2025 Grecian Magnesite expanded exports of high-purity dead burned magnesia to North American refractory manufacturers, supporting growing industrial demand.
September 2025 Magnezit Group strengthened its North American distribution network for dead burned magnesia products through expanded commercial partnerships and regional supply initiatives.
June 2025 RHI Magnesita expanded refractory production capabilities supporting dead burned magnesia applications for the steel, cement, and non-ferrous metals industries across North America.