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 ...
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...
Drilling operations require equipment that is durable, reliable and easy to use. And, at our company, we understand that the quality of the equipment is the difference between success and failure f...
In the field of drilling and construction, having the right tools is crucial to getting the job done efficiently and effectively. For those tasked with drilling hard rock, Hard Rock Tapered Drilli...
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...