In the construction of power grid, rotary drilling rig undertakes the important task of pile driving. However, stones are often encountered in the construction process, which affects the progress and quality of piling. Then when the rotary drilling rig encounters the stone when playing the grid pile Read More

As a common drilling equipment in engineering construction, the construction efficiency of rotary drilling rig is directly related to the project schedule and cost. Understanding the factors that affect the construction efficiency of rotary drilling rig is of great significance for the construction Read More