newest top hammer tooling, the Drifter series of rods and bits. designed with a unique thread profile for added endurance and strength in the most demanding tunneling, bolting and drifting applica...
In order to get out of the school, better social contact, understand social, training exercise their own talent, set up the service consciousness of the society, at the same time, better the textbo...
For proper use of the button bits, guarantee the normal wear of scrapped the button bit, must pay attention to the following:
1 .according to the rock conditions (hardness, corrosion resistance) d...
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...
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...
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...