When using rock loader in underground mine for carrying work, there may be sudden breakdown of rock loading opportunity at some time. Some breakdowns do not hinder the use of rock loader and can be re
In order to better improve the understanding of e-commerce employees on mechanical products, improve sales skills, and improve sales performance, on July 27, the China Coal Group Product Knowledge Enh
In order to improve the emergency rescue and disposal capacity of hazardous chemicals safety production accidents and strengthen the fire safety awareness of enterprises, on the morning of July 26, th
In order to implement the spirit of the "Notice of Shandong People's Government on the Development Plan of Shandong High-end Equipment Manufacturing Industry (2018-2025)" (Lu Zhengzi (2018) 244) and f
