... as follows:1) Refractory brick. Fireclay brick, High alumina brick, Silica brick, Mullite brick, Magnesia brick, Corundum Various insulating bricks.2) Castable series. Low cement castable, High alumina ... customer.We own factory about refractory product, which export refractory brick, refractory castable, refractory cement, and ceramic fiber to America, Germany ...