Shandong China Coal Group Drilling Machine Branch

The water well drilling rig is a mechanical device that drills the water well and completes the operation of the downhole pipe and the well washing. Including power equipment and drill bits, drill pip

With the continuous development of the national economy and the strengthening of the national policy on rural infrastructure,

When the butterfly valve closes the return air inlet on the seat and opens the stroke air inlet, the compressed air enters the

As the global mining summit BBS and mining expo, China international mining conference is not only a trading platform for mineral exploration and development,

The diamond material bit is a one-piece bit. The whole bit has no moving parts, mainly including bit body, crown part, hydraulic structure (including water hole or nozzle, water tank, also known as fl

The screw thread machine is used to feed in one axial direction and roll directly into a thread head, so that the end of the steel bar is fed in one axial direction.