Shandong China Coal Group Drilling Machine Branch

On the morning of May 20, Yingjisha County Party Committee Vice Secretary, Jining Aid Xinjiang Command Comrade Sun Xizhong and his entourage visited China Coal Group, accompanied by Jining High-tech Z

In order to better promote the interactive docking between enterprises and job seekers during the outbreak, on May 15th, a webcast job fair held by Bureau Of Human Resources And Social Security in Jin

Air leg rock drills are used in many fields, but improper operation may not only reduce the operating efficiency, but also may be dangerous. Therefore, the correct operating procedures for air leg roc

On May 17, the original CCTV Western Channel Planning Director, United States Steiger Technology Co., Ltd. Global Strategic Planning Chief Expert Zhang Pusui, United States Steiger Technology Co., Ltd

The drill bit of the roof bolt machine is the main component of the drilling machine. It is a tool for transmitting impact energy, directly contacting the rock and blasting. During the whole operation

Recently, Comrade Qu Qing, Chairman of the Group, has been awarded two honorary titles of "Excellent Entrepreneur of Jining City" and "Excellent Entrepreneur of Jining High-tech Zone" in 2019 for his