Drill

China Coal Group is a professional manufacturer of pneumatic rock drilling machinery. Compared with similar products, the air leg rock drill developed and produced by our company has the characteristi

Check whether the starting battery voltage is above 12V, and observe whether there is damage or leakage.

The water well drilling rig is a complex machine composed of machines, units and mechanisms. Water well drilling rigs are mechanical equipment that drives drilling tools to drill underground to obtain

Many people still don’t know enough about air leg rock drill. In this case, the air-leg rock drills cannot be fully used.

The air-leg rock drill uses a pneumatic leg instead of manpower to work against the rock drill, thereby greatly reducing the labor intensity of the workers.

In addition, the rock drill can also be used as a breaker to break hard layers such as concrete. Then let the editor come to the eldest sister to introduce how the internal combustion rock drill is s