Shandong China Coal Group Drilling Machine Branch

1, Handheld gasoline rock drill is a small gasoline engine, compressor, drill trinity combination of hand-held tool.

Air leg rock drill is a kind of high efficiency drilling machinery. It is widely used in rock tunneling and various drilling operations to drill blasting holes, is an important tool in stone works suc

Rock drill is a kind of economic, simple, portable tunneling machinery tool, plays an important role in the work of stone mining, belongs to the impact equipment, its normal work needs water, oil, gas

The bladed heavy drill (hammer) is raised to a certain height by means of the frame and winch, and the free-falling impact force is used to cut the broken rock or hit the soil to form a hole.

The drill bit plays an important role in the drilling process of the water well drilling rig, the quality of a drill bit directly affects the drilling efficiency and hole quality of the well, so we ne

Air leg rock drill is one of the modern rock drill tools, it is easy to operate. The silencer attached to the gas leg drill can change the exhaust direction at will, reduce the noise and improve the w