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Hydraulic system of hydraulic rock drill performance characteristics and working principle of the hydraulic rock drill is in recent years the emergence of a new type of rock drill, basic can be divide

Recently, China Coal Group has made significant breakthroughs in the research and development of mining equipment. Multiple models of mining single hydraulic prop independently developed and produced

On December 14, a significant inauguration ceremony was held in the industrial park of Tengzhou Tiangong Machinery Co. This ceremony marked the formal establishment of the joint manufacturing company

On December 11, Tian Jinhui, Deputy Director of Jining City Industry and Information Technology Bureau, Pang Huimin, Chief of Electronic Information Section, and Zhang Yongliang, a member of the Secti

On December 4, a delegation of Filipino businessmen visited China Coal Group to conduct a field inspection on the procurement of various mining equipment and construction machinery, such as excavators