Developing,manufacturing and sales of diamond and CBN tools.It is located in superhard materials industry park of zhengzhou high and new economic development zone.and we got the honer of high and new technology company in 2004,with the strong technology,advanced equipment,perfect sales net and the quality control system ,our products sale good not only in demostic, but also in occident and middle east.and we have won user&＃39;s consistent approval and trust by the good product quality and the high quality service.