Shandong China Coal Group Drilling Machine Branch

Rock drill: used for drilling holes with diameter of 20 ~ 100 mm and depth of less than 20 meters in rocks above medium hardness. According to its different power can be divided into pneumatic, intern

Air leg rock drill ​is a modern drill products, it uses the design technology of modern drill, compared with the same type of products, has the advantages of low noise, light weight, good economy, fas

Recently, China Coal Group received a good news. Eight models of dump trucks and one model of flat trucks produced by China Coal Group Intelligent Manufacturing Company successfully obtained a total o

1. The water well drilling rig becomes loose The water well drilling rig newly processed and assembled parts have the deviation of geometric shape and matching size. At the initial stage of use, due

1. As the engineering drilling rig is a special vehicle, the operator shall receive the training and guidance from the manufacturer, have a full understanding of the structure and performance of the m

A drill machine is a complex set of machines, which consists of machines, units and mechanisms. A drilling rig is a mechanical device that drives the drill to drill underground and obtain physical geo