Shandong China Coal Group Drilling Machine Branch

On 24th August, Zhang Ying, Vice President of Jining University Foreign Studies University, Yan Caixia, Director of Office, Li Xiaolu, Director of Business English Teaching and Research Department, Yu

The design and development of water well drilling rigs are influenced by a combination of technological advancements, environmental considerations, safety concerns, drilling efficiency, and regulatory

The air leg rock drill is a specialized pneumatic tool designed for drilling holes in rock and other hard materials. It's commonly used in industries that involve excavation, mining, construction, and

On August 18-19, Yang Jintao, the director of National Safety Production Changsha Mining Machinery and Electricity Testing and Inspection Center, and Zhao Yunxiao, the expert, visited China Coal Group

On August 17, Kenyan merchants visited China Coal Group to purchase construction machinery and coal mining equipment. Li Zhenbo, General Manager of Informatization of China Coal Group and General Mana

The lifespan of a gasoline-powered rock drill can vary depending on factors such as the quality of the drill, frequency of use, maintenance practices, operating conditions, and technological advanceme