Abstract On March 7, China Xiamen International Stone Fair entered the second day, and the number of visitors to the exhibition increased significantly. Li Zhihong, the secretary general of China Superhard Materials Association, led the staff of the association to visit some enterprises related to superhard materials industry to learn about the latest situation of exhibitors and exhibitors...
On March 7, the China Xiamen International Stone Fair entered the second day, and the number of visitors to the exhibition increased significantly. Li Zhihong, the secretary general of China Superhard Materials Association, led the staff of the association to visit some enterprises related to superhard materials industry, to understand the latest situation of exhibitors and the status of exhibitors, and received warm reception from the staff of the exhibition. 
Secretary General Li Zhihong visited the exhibition area of ​​Henan Yuxing Huajing Micro Drill Co., Ltd.
Secretary General Li Zhihong visited the exhibition area of ​​Zhengzhou Winbond Tools Co., Ltd.
Secretary General Li Zhihong visited the exhibition area of ​​Hengli Diamond Co., Ltd.
Secretary General Li Zhihong visited the exhibition area of ​​Fujian Wanlong Diamond Tools Co., Ltd.
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