visit

On the morning of October 16, National Mining Product Safety Mark Center Changsha Inspection Institute expert Ji Guangzhou, Yu Hongwei and Yang Jintao

On the afternoon of September 30, Deputy Director Liu of Weishan County Business Bureau and Xue Zhuang, a new energy company of Zhongjing New Energy Company,

On the morning of September 29, Yu Dong, Secretary of the Working Committee of Yantai High-tech Zone, Director of the Management Committee

On the morning of September 29, Guo Jinshan, Deputy Director of the Network Supervision Department of the Shandong Provincial Market Supervision Bureau,

On the afternoon of September 18th, Yantai Municipal Bureau of Commerce Director Liu Sen, accompanied by Liu Laiying, Deputy Secretary of the Working Committee of Yantai High-tech Zone,

In the afternoon of September 5, Wang Jianwei, Director of the Department of Integration and Promotion of the Ministry of Industry and Information Technology, and Li Yonghua, Director of the Software