intrduction

    Changsha Research Institute of Mining and Metallurgy (CRIMM), is a high-tech enterprise. Since the beginning of foundation, CRIMM is devoting himself to the research and development of superhard material, chemicals for ferrite, mining, mineral processing and metallurgy in China.

    As a subsidiary of CRIMM, Changsha Xinye Science & Technology Development Co. handles import and export business on behalf of CRIMM. The products exported mainly include Synthetic Diamond Powder series and Manganous Manganic Oxide.

    Synthetic diamond is a full line covering SMD grit series, MBD grit series, RVD powder, micron and metal clad powder.

    Manganous Manganic Oxide is available in four grades as CR-06, CR-06N, CR-15 and CR-15N on the annual production of 6000 tons.