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On August 18, a batch of single hydraulic props for mining were loaded in the third and fourth workshops of China Coal Group's intelligent equipment production and manufacturing, and then they will be

In order to further promote the construction of a comprehensive experimental zone for the conversion of new and old kinetic energy in Shandong, exchange innovative measures, and accelerate the formati

On July 2, Zhang Yanguo, Deputy Director of the Jining Market Supervision Administration, Tu Shansong, Chief of the Network Supervision Section, and Li Can, a member of the Network Supervision Section

In order to further expand the business area of the group, China Coal Group recently invested and established Shandong Zhonghui Enterprise Management Consulting Co., Ltd. with a registered capital of

An ionizing radiation detector is a device that converts radiation energy into other types of energy that are convenient for registration, most often into electrical energy.

Recently, the DFB (1400-4400 standard specifications)/300, DJB600/470, DJB800/420, DJB (1000, 1200)/300 metal roof beams independently developed and produced by China Coal Group, of which 4 types of h