Shandong China Coal Group Drilling Machine Branch

Roof bolter is mainly used in coal mines with rock hardness ≤ f10 for coal mines, rock lanes, anchors, and anchors for supporting and drilling, and can mix and install resin anchors and anchors. For a

Air leg rock drill is an improved low-energy rock drill. It has good performance under low pressure conditions, and is particularly suitable for long gas pipelines or powered by small air compressors.

Gasoline rock drills 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

Hydraulic water well drilling rig is an efficient and multifunctional drilling equipment. Water well drilling rig is mainly suitable for drilling water wells, agricultural irrigation wells, ground sou

Roof bolter is mainly used for coal mine, rock lane anchor, anchor cable support drilling in coal mine rock ≤ f10, and can mix and install resin anchor rod and anchor cable. For anchor rod with dampin

1. Water well drilling rig adopts automatic telescopic drilling rig, which is supported by two high-strength oil cylinders, and a set of hydraulic valves control the rig's pitching, which saves time a