Benefit: 1.Most Popular of our factory 2.Top technology for over 10years of this filed 3.ISO9001,2000 4.good ... prolong the running time of the,. ther are different materials for baffle brick, including corundum-mullite, mullite, zirconia-mullite, carborundu,.siliconcardide ... so on.PX Central Sourcing Ceramic Co. LTD has the top technology of this filed through over 10years research&hard working ...