Huaibei Chun Teng Kaolin Co., Ltd., Huaibei mining area using unique Hard Kaolin mineral resources, high temperature roasting, crushing, sieving, Raymond, with the exception of iron processing technology and machines made of aluminum with a high iron content low coefficient of thermal expansion of small, high refractoriness, high hardness, thermal stability, excellent chemical properties of mullite powder sand series and refractory products. Mullite powder sand products are mainly used in melt film casting, plaster filler Act V shape with the vacuum suction casting and large, medium and small cast steel, bronze pieces of the refractory material, widely used in machinery, aviation, weapons, metallurgy and petroleum and other industries.