In December 6, 2014, crystal diamond Limited by Share Ltd set up the General Assembly superhard material tools of professional committee of Henan Mechanical Engineering Institute held in Zhengzhou china. The conference by Mechanical Engineering Institute of Henan province super hard material tools professional committee secretary long chaired by Mr. Li Jian. Henan Institute of mechanical engineering vice chairman, the Secretary General Mr. Gao Wensheng attended the meeting and delivered a speech. From the super hard material industry more than 40 other related personnel attended the meeting.
The conference announced the Henan Institute of mechanical engineering superhard material tools of professional committee staff list, which Mr. Zhao Qingguo of company vice chairman was elected as the deputy director of the committee's long.