Shandong China Coal Group Drilling Machine Branch

From August 18th to 19th, the "Welcome to the 20th National Congress, Integrity Creates Glory" Shandong Enterprise Integrity Forum and Integrity Enterprise Award Ceremony is held in the hot spring tow

On August 16, Liu Jun, Director of the Service Industry Project Division of the Shandong Provincial Development and Reform Commission, a first-level researcher, Wang Haidong, a second-level researcher

Air Leg Rock Drill When connecting the air duct and the water pipe, the dirt in the pipe should be cleaned first to prevent the sundries from entering the machine.Worn machine parts.

Maintenance personnel must be familiar with the performance and working principle of the air leg rock drill

XY-3 Borehole Water Well Drilling Rig Machine have 8 positive rotation gear, high speed, strong torque, widely scope of application. Equip hydraulic chuck, XY-3 Borehole Water Well Drilling Rig Machin

The domestic water well drilling rig was first produced in the 1950s. Through the continuous investment of the country and its own development, the performance and technical content of the drilling ri