... high level unshaped or shaped refractory material. It is applied to the unshaped refractory materials, such as refractory carstables for ladles, ... or high level iron runner casting material, gunning refractory and fabricate parts ect. It also can be ... of corundum products, such as corundum bricks, corundum, mullite corundum, refining corundum perforated bricks, overall blowtorch and combined nozzle, ...