... Refractory brick Fire clay brick, high alumina brick, Silica brick, mullite brick Various heat insulation bricks.....We are one of the largest producers of refractory ... bricks in China.Our major products are fireclay brick, high alumina brick, silica brick, mullite brick, and various ... - US$10 Million Export Percentage:81% - 90% Refractory Brick For Cement Industry