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China Coal Group was invited to the High-end training course of Alibaba Chenglan Training Camp which was opened in Yanzhou Yong Hua Shun Geng Inerenational Hotel on July 16,

China Coal Group Sent Numbers of E-commerce Elites To Shandong Nanshan Zhongmei E-Commerce Company For Carrying Out A New Round Of Team Training

In order to further improve the overall quality of cadres, enhance the comprehensive management ability, innovation ability and implement ability, senior management cadre training course of jining cit

When you get your air leg rock drill, regardless you are new user or experienced use please do as the followings: Review the manufacturer's instruction of the air leg rock drill before using rather th

Yantai Nanshan Education Group leaders visited Shandong China Coal Group and held special consultation forum

Air Leg Rock Drill, aka Pneumatic rock drill, requires daily care to keep in top shape. Followings are some acknowledges on how to properly maintain pneumatic rock drill with these basic steps.