Packing: in Cartons Product Advantages Just tell us the diameter and length of your ball mill. We will work out the size and quantity of the lining brick you need. The alumina produced by Shandong Aluminum is used as the basic material, which provides high purity, little impurity and stable quality. we got ISO900 system certificate and the entire production process is controllable and traceable. Each batch of product is strictly tested. The process and result control guarantee stable performance and proven final product quality.