Geology, mine, metallurgy, coal, building materials, light industry, chemical industry, electric power and other departments of the production and scientific research, paint, magnetic material, ink, dyes, food industry and cosmetics industry, ultra-fine grinding.
      reasonable structure, good sealing performance, sample preparation and high efficiency. Applicable to a wide range, all kinds of metallic and non-metallic ore material test specimen, grinding. Abrasive time arbitrarily set.