... Bricks for Cement Kiln ISO 9001:2000 Certificate Item: RK-H,RK-A,RK-G,RK-PO Application:cement kiln Alkali-Resistant Bricks for Cement KilnZibo ... porosity fireclay bricks, insulating bricks and many kinds of refractory castable, ramming mass etc.We have exported to USA, India, ... and they are satisfied with our products.Alkali-Resistant Bricks for Cement Kiln Alkali-Resistant Bricks for Cement Kiln