Zhengzhou Research Institute for Abrasive & Grinding was founded in 1958，belonging to China National Machinery Industry Corporation. Chinese first crystal of diamond and CBN was born successively in ZZSM in 1963 and in 1967. After that, a series of superabrasive products, special equipments and inspection instruments were developed to fill the domestic blank. In 1993, the National Superhard Materials & Products Engineering Research Center was established in the Institute showing its leading position in the Chinese superabrasive industry. ZZSM is committed to the development and production of superabrasive products, special ?equipments and inspection instruments. ???? ?ZZSM owns dozens of production lines on vitrified bond, resin bond, metal bond and electroplated ?bond superabrasive products, equipments and inspection instruments which have yearly capacity with four hundred thousand pieces of superabrasive tools and more than three thousand machines. ?ZZSM insists core values ‘work together, innovation, win-win to realize our commi?ssion ‘promote the industry development with creative and fruitful work; create happy life through hard and valuable labor’.
