Here in the United States we used to refer to tunneling by drill-and-blast as “conventional” tunneling, which I guess leaves tunneling by TBM or other mechanized means to be referred to as “Unconve...
With the advanced technology from both China and abroad, the production line of the picks is a continuous chain step furnace, composed of a welding furnace, a quenching furnace and a tempering furn...
Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water ...
Diamond core drilling is also exploration drilling method, which is the most conventional one, and has widely utilized in geological survey, mining exploration and bedrock stratum investigation and...
We carried out a complete reformation for Threaded Products Workshop from Apr.5th to May 15th. In the new workshop, we installed double layers of thermal insulation, double glazed windows and new d...
Down the hole (DTH) drilling bits are a cutting-edge innovation revolutionizing drilling operations in the mining and construction industries. These versatile, high-performance bits, also known as ...