Experimental/lightweight roller ball mill is an ultrafine grinding and mixing equipment used in laboratories and small-scale production.

Roll ball mill, a type of grinder machine, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints, etc. It is widely applied to industries of electronic material, mineral material, ceramics, magnetic material, building material, biological medicine, cement, metal powder, non–metallic minerals, etc.