August 19, the independent directors of China Railway Group Li Yuhuan and Xu Guoqiao visited Shanxi Coking Coal Xishan Coal Electricity Tunlan Mine and Coal Preparation Plant for investigation, CR Taiyuan Group deputy general manager Sun Yansheng, Shanxi Coking Coal vice secretary of Party committee, vice chairman and general manager Chen Xuzhong, Coal Sales Corporation deputy Party secretary, vice chairman and general manager Shi Lin, and Xishan Coal and electricity deputy Party secretary, vice chairman and general manager Li Jian attended.
In Tunlan Coal Preparation Plant dispatch center, the research group understood the coal washing and processing process via the large screen, and then watched the equipment operation at the main washing workshop.
In the production dispatch and command center of Tunlan Mine, the research group also learned about the production, transportation, equipment operation of intelligent fully mechanized coal mining face and safety production through the dynamic monitoring system.