In the steel and cement industries, magnesium oxide is the core material for constructing the inner lining of high-temperature kilns. With an extremely high melting point of over 2850℃ and outstanding thermal stability, it can effectively resist slag erosion, significantly extend the lifespan of the kiln, and improve energy efficiency. Magnesium oxide is like an unseen guardian, safeguarding the continuity and safety of industrial production under extreme high temperatures, and is an indispensable cornerstone in the field of high-end refractory materials.