Profile: Dynamic Exim Corporation is a manufacturer of refractory fire bricks including fire clay bricks, high alumina bricks and dense fire bricks. We also offer fire clay & high alumina mortars and low cement castables. Our high alumina bricks are used in the construction of steel refining furnaces, glass tanks, ceramic kilns, enamel kilns and rotary cement kilns. The high alumina brick consists of alumina and ferrous. Our refractory castables are usually the refractive aggregate that is mixed with the bonding agents and water, so that it will form a mold and can be later used to form a concrete structure.