1. Non-ferrous metal smelting industry,ceramic,enamel and cement rotary kiln mouth, as well as glass annealing furnace and various kind of high temperature furnace. 2. Blast furnace lining,the lining of aluminium electrolytic bath,glass tank,structural ceramics,sanitary ceramics,domestic ceramics,electrotechnical porcelain refractory material, sinter powder metal industry. 3. Industrial ceramics bearing plate burning,pushing board, sagger; muff plate of annealing furnace;lining and ignitor of CFBB; lining of garbage incinerators,heat treatment electric heating furnace,soaking pit furnace etc.