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On the afternoon of April 23, the theme salon of Jining Youth E-commerce Alliance and the walk-in event was held at the Party and Mass Activity Center of Xieying Science and Technology Building. Leade

On April 16, a batch of suspended mining single hydraulic prop equipment was loaded in the intelligent equipment manufacturing workshop of China Coal Group, and will be sent to a mine in Datong City,

On the morning of April 13, the 4th Executive Committee Meeting of the 13th Jining City Federation of Industry and Commerce is held in the Jining Yunhe Hotel Conference Center. Li Kexue, Vice Chairman

The bus system is also called RS485, and the branch system is also called 4-20mA model. The gas detector currently mainly uses these two wiring methods, each with its corresponding alarm host.

Spring is in full swing in March. In order to celebrate the 111th "March 8" international working women's day and better care for the group's female employees, on the afternoon of March 8, China Coal

In order to commend the advanced and establish a model, on the afternoon of February 4th, the 2020 annual summary and commendation meeting of China Coal Group was held in the group. China Coal Group C