Corundum corundum quality abrasive grade bauxite as raw material, made of high temperatures above 2000 degrees melting, since the mill crushing, plastic, magnetic separation steps to iron and other screening into a variety of particle size, its dense texture, high hardness, grain shape into a ball; brown corundum called industrial teeth, for the manufacture of ceramic, resin high Bonded Abrasives, coated abrasive grinding, polishing, sandblasting, precision casting, etc., can also be used in the manufacture of high-grade refractory; addition corundum can also be used as a functional filler for automobile brake parts, special tires, specialty building products. The product is reliable, stable performance, high quality, easy to use.