. Get Price Grinding and Classifying Machine Manufacturers, Suppliers ... Sinomet specializes in the Grinding and Classifying Machine of various ores, especially the hard rocks such as iron ore and copper ore, and the refractory materials and super-hard materials with Mohs' hardness between 0-0, such as abrasive grinding, chemical industry raw material grinding, ceramic grinding, zinc oxide grinding, zircon grinding, quartz grinding, 