visit

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

On the afternoon of September 5, Jining Urban and Rural Planning Bureau Director Jin, Director of the Planning Bureau of Gaoxin District, and Director of the Planning Department of the High-tech Zone

On August 17, the ISO9000 quality management system certification expert group visited Shandong China Coal Group to conduct the annual audit of ISO9000 quality management system certification.