Shandong China Coal Group Drilling Machine Branch

In the afternoon of March 28, Deputy Mayor of Jining Municipal People's Government, Secretary of the Party Committee and Director of the Municipal Public Security Bureau, Li Haiyang, Deputy Secretary-

In order to earnestly implement the important speech of General Secretary Xijinping's important speech at the co-ordination of the new crown pneumonia epidemic prevention and control and economic and

On the morning of March 27th, many leaders of Jining Supply and Marketing Co. visited China Coal Group for a visit and inspection on the research and development of UAV production and the next coopera

(1) Before ventilating the air leg rock drill, the handle of the pressure regulating valve should be moved to the "O" position to prevent the air leg from elongating suddenly during the ventilation an

Matters needing attention in the maintenance and maintenance of air leg rock drills (1) Before using the new machine of the air leg rock drill, it is necessary to disassemble and clean the internal p

In the morning of March 25, Yanzhou District Internet Society Chairman Wang Tao, Vice president Yan Tao, Shandong Taihe Energy Co., Ltd. General manager Wang Yongqiang the 6 leaders and other leaders