Dongju is a professional custom-made diamond and boron nitride superhard abrasive such as service-oriented enterprises, can produce containing resin, electroplating, sintering, ceramic bond, all kinds of plane grinding, cylindrical grinding, face grinding and grinding wheel, and the production industry special grinding wheel and non-standard custom grinding wheel. Superhard abrasive products involving medical, aviation, automotive, electronics, jewelry, shoes, furniture and other industries, has a good performance, high grinding rate of grinding wheel, durable and high applicability, etc, the products sell well in more than 20 provinces, cities and overseas in southeast Asia, deeply the general customers the high praise, welcome calls to map proofing negotiations.