... 36%,41% Common and irregular shape Glass Furnace Fused Cast AZS blocks Zibo Shunzhou Refractory Co.,ltd is a specialized manufacturer ... supply many kinds of refractory products, such as high alumina bricks,fireclay bricks,low porosity fireclay bricks, insulating bricks ... furnaces and kinls and several thermal equipments. Refractory Fused Cast AZS blocks WS while casting, the casting size is bigger ...