They can be used in Coke oven(Regenerator, checker brick, flue, combustor, roofs, walls, riserpipes, door and etc. Coke quench tower(coke quench tower, chamber dust collector, Residual-heat boiler. Every kind of soaking pit. Every kind of heating furnace. Copper, lead and zink making Reverberatory furnace, blast furnace and converter. Alumina and magnisia electrolytic cell lining, Carbon sintering furnace. Synthetic ammonia change furnace. Tunnel kiln, Down draught kiln, Rotary kiln, shaft furnace, glass furnace, gas furnace, industrial boiler and etc.