Fused Cast AZS Brick,Fused Cast Alumina Block,Fused Cast High Zirconia Block-Zhengzhou Sunrise Refractory Co., Ltd. Refractory Company,manufacture the main products are as follows: fused cast AZS block,glass furnace fireclay bottom block, mullite brick, zircon brick, alumina bubble brick, sillimanite brick, corundum brick, high alumina brick, building fireclay, etc.