Zhengzhou Sunrise Refractory Co., Ltd. locates at centre China. Refractory Company,manufacture the main products are as follows: fused cast AZS 33#,36#,41#, glass furnace fireclay bottom block, mullite brick, zircon brick, alumina bubble brick, sillimanite brick, corundum brick, low porosity fireclay brick, high alumina brick, all kinds of glass furnace ramming masses, sealing materials, building fireclay, etc.