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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.

On February 19, 2021, the eighth day of the first month of the lunar calendar, all the people of China Coal gathered together for a grand opening ceremony of 2021. China Coal Group Chairman Qu Qing, G

In order to enhance the awareness of brand development, spread the concept of brand development, create a brand development atmosphere, and publicize the results of brand building, on the afternoon of

With the rapid development of the industrial industry, many waste products have been produced. Among them, toxic and harmful gases may have an inestimable impact on human safety. Therefore, it is nece