Shandong China Coal Group Drilling Machine Branch

On June 3, three people including Hao Jiaqi, General Manager of Investment and Development North District of Humi.com, Qi Baoqiang, Director of Investment and Development North District, and Chen Ranj

Water well drilling rigs are common drilling equipment. Due to the problems of operating environment and time, the loss will be relatively large. Therefore, frequent maintenance and maintenance are re

Following the first battle of the 5.18 China Coal Group hydraulic prop live sale, China Coal Group hold a plant protection drone live broadcast (China Coal 5G Lab) sale at 9:30 am on May 30, and achie

Gasoline rock drills have various functions such as mining, drilling, construction, cement pavement, asphalt pavement and other splitting, crushing, tamping, and shoveling. They are widely used in min

On the afternoon of May 27, Jining Technician CollegeVice President Song Xianli, School-Enterprise Cooperation Department Minister Yan Yunbo, School of Information Engineering Dean Chen Jianjun, Schoo

The use of the air leg rock drill is the same as that of other rock drill tools, and even more so. Its small fuselage, long life, high safety and energy saving. As far as my country's overall rock dri