Zirconia Fused Alumina of is produced by fusing the rich aluminum, zirconium materials and additives in electric arc furnace, smelting with high temperature above 2000℃, cooling down with special technology, and compacting with Barmac plastic, which has the characteristics of tenacious texture, dense structure and high strength. It is widely used in the production of refractories in steel industry such as continuous casting and rolling, nozzle, flow channel, and glass kiln as well