Exciting news comes from State Intellectual Property Office that <200510017879.1 centrifugation hot pressing sinter method and equipment for metal bonded superhard material grinding wheel > which is invented by Zhengzhou Research Institute for Abrasives & Grinding has been approved and authorized. The institute won the first patent. Centrifugation hot pressing sinter is a special method for producing superhard material grinding wheel. It is fit for producing special and high thick grinding wheel.

        At the same time, the institute has obtained the utility model patent-. Moreover, the utility model patent-<200820071139.5 sinter press electrode conduction> will be authorized in the first half of this year