Shandong China Coal Group Drilling Machine Branch

Air leg rock drill is the most modern drill products, it USES the design technology of modern drill, compared with the same type of products, with high efficiency, low noise, light weight, good econom

Hydraulic rock drill is composed of drill, hydraulic leg and hydraulic pump, hydraulic pump can be divided into a pump with a machine, a pump with two machines, a pump with four machines, etc., can be

Pneumatic drill mainly consists of cylinder - piston components, gas distribution device, steel slewing mechanism, control valve and flushing - blowing mechanism. Pneumatic rock drill in the operation

Pneumatic roof bolter is a kind of bolt drill which USES air pressure to run. It is an important equipment for roadway tunneling in coal mine. It has outstanding advantages in improving support effect

Internal combustion drill is easy to operate with high efficiency, and can be completely interchangeable with international similar products. Internal combustion drill is easy to carry, suitable for h

The drill is powered by compressed air used to start the machine, is the most common rock drilling machinery is the wind - compressed air for the power of the drill. This type of drill is mainly used