High alumina brick is a commonly used refractory material whose main component is Al2O3. High alumina bricks have the characteristics of high refractoriness, high strength, acid and alkali resistance, etc. The high alumina bricks produced by Yuzhou Xinyuan Refractory Co., Ltd. (Henan Xinyuan Refractory Co., Ltd.) have the advantages of resistance to water erosion and good thermal stability, and are widely used in blast furnaces, hot blast furnaces, electric furnaces, refining furnaces, and glass kilns. and other industries.