Best alumina grinding materials Dear Madam/Sir, We are a joint venture specializing in the manufacture and export of alumina grinding materials which is used in the ball mill. We use the hot rolling technology to manufacture ceramic grinding balls. As our balls are once shaped through the rolling mill, the balls' structure is very tight, and the abrasive loss is rather low. The performance is as good as high chrome balls, but the price is much lower. If you are interested in our products, please contact us! Our products: Alumina balls, lining bricks. Application fields: Ceramics, chemical, cements, paints, refractory, etc.