Our company's active α-A1.0 micro powder is produced entirely according to the standards of renowned foreign alumina micro powder manufacturers. The product has been selected by large domestic refractory material enterprises and research institutes for the production of key products such as steel ladle casting materials, iron trench materials, permeable bricks, seat bricks, corundum self-flowing casting materials, and spraying materials, with performance comparable to imported products. It is also exported to well-known refractory material manufacturers in Japan, the United States, and Europe. The active α-A1.0 micro powder produced by our company has low impurity content, fine particle size, reasonable particle size distribution, and controllable activity, providing good fluidity, low expansion, long working time, high medium temperature strength, dense structure, and excellent performance for use in high-performance refractory materials.