Shandong China Coal Group Drilling Machine Branch

Since the outbreak of a new coronavirus-infected pneumonia in Wuhan, Hubei, from the central to the local, there has been a consensus and a difficult situation. As a large-scale enterprise with a high

One, air leg rock drill the general provisions of the drilling workers must undergo special training, after passing the examination, can hold a license to work.

Water well drilling rig construction should also pay attention to reduce wear. Support sprocket, support wheel, drive wheel and rail chain link these are easy to wear parts, but, according to the impl

The pneumatic rock drill is an impact drilling machine which is driven by compressed air. According to the propulsive way and divided into hand-held drill, pneumatic leg drill, telescopic upward drill

Drilling coring machine has beautiful appearance, strong and durable, easy to start, reliable operation, easy to operate, equipped with the market artificial diamond thin wall drill, suitable for dril

The rock drill has the characteristics of light weight, simple structure, convenient operation, and automatic stop after crushing. Widely used in coal mining, mining soft rock; Planing column foot pit