Sillimanite, mullite refractory with high thermal stability, resistance to erosion washed glass, glass contaminated by small, domestic and foreign material in glass industry machines, slide machine and other equipment most commonly used refractory materials, significantly increasing productivity. Products has material road brick, and flow material slot, and rotating tube, and material disc, and material Bowl, and mixing pulp, and rushed head, and material tube, and block fire block slag brick, and gate Board brick, and Qian arch brick, and Hou arch brick, and material basin cover, and pass mouth brick, and burn Tsui brick, and beam brick, and cover Board brick, and muffle brick, Shang hundred species products, hundreds of species specifications