... service is also available. LUYANGWOOL fireproof brickis made from high-grade and high purity refractory powders and materials. During the process of ... equipment,hot blast stove,heating furnace, tunnel kiln,shuttle kiln,glass-pool kiln,tec Standard SpecificationGrade: 23,26,28,30, ... also available. For more information,please contact us ! fireproof brick(best quality standard size of brick in China)