Shandong China Coal Group Drilling Machine Branch

Air leg rock drills are used in many fields, but improper operation may not only reduce the operating efficiency, but also may be dangerous. Therefore, the correct operating procedures for air leg roc

The drill bit of the roof bolt machine is the main component of the drilling machine. It is a tool for transmitting impact energy, directly contacting the rock and blasting. During the whole operation

Pneumatic pavement breaker is a tool to transfer impact energy, directly contact with rock and blast. The pneumatic road crusher is very complex during the entire operation, so it has high requirement

Water well drilling rigs should adopt different methods when encountering different geological layers in the process of drilling wells, so as to achieve a good effect, the different geological layers

Gasoline rock drill is a special tool. When mining ore, many large-scale machines are used for drilling. Commonly used are rock drills. The specifications of the machines are different. The purpose is

Air leg rock drill application products are mainly used in construction sites, engineering tunnels, various types of mines, railways, water conservancy construction and national defense construction d