2023-11-08
On November 7, 2023, Zhu Shuaihu, deputy director of the ventilation and defense department of China Jizhong Energy Fengfeng Group, Shi Dezhong, ventilation mine director of Yangdong Mine, and Li Yanjun, ventilation mine director of Jiulong Mine, led a working group to Shandong Yikang Drilling Technology Co., Ltd. for inspection and guidance . The company's chairman Wang Haifeng and general manager Wang Hairui attended the event.