Shandong China Coal Group Drilling Machine Branch

The air leg rock drill is a highly efficient rock drilling machine. Air leg rock drill has the advantages of small size, light weight and low gas consumption. The air leg rock drill is widely used in

The 7655 air leg rock drill is a highly efficient rock drill. It is widely used in rock tunnel excavation and various rock drilling operations to drill blast holes.

The main reasons for the decrease in rock drilling speed of air leg rock drill are low air pressure in the working environment, poor lubrication of the machine, insufficient air leg thrust, poor expan

Gasoline rock drill are able to adapt to many different geographical environments, not only in the plains, but also on the steeper slopes of cities and cities, and can work stably on the steep slopes.

Water well drilling rig are suitable for water well drilling, geological survey, geological core drilling, small grouting holes, blasting holes for railways, water conservancy, bridges, dam foundation

Many factors will cause pneumatic pavement breaker failures because of poor lubrication, here are some common reasons and troubleshootings