Profile: Henan Ruishi Investment Group Co.,Ltd. produces all kinds of abrasive materials, special refractory materials and metallurgical accessories. We are an ISO 9001:2000 certified company. Brown fused alumina is fused and crystallized under the high temperature of above 2250℃ with quality abrasive bauxite as raw material and matched by the carbon material & scrap iron. It is characterized by good self-sharpening and grinding ability. Brown fused alumina can produce ceramic grinding wheel, resinoid grinding wheel, grinding stone, grinding block, sand paper, sand cloth, sand belt, polishing wax, abrasive agent, abrasive paste, and coating materials.