Ruihi Group was founded in 1993, is specialized in the production of bauxite-based fused corundum, refractory, metallurgical auxiliary materials import and export enterprises, export base of Henan Province, 100 in the industry to pass ISO9001 : 2000 international quality management standard system certification, under the jurisdiction of seven wholly-owned subsidiary of the Group: smelting company, Brown Fused Alumina Corporation, the company sub