ZGYX 410B using 3" hammer bits, drilling hole dia:90~110mm Economic and energy-saving 1. The auxiliary power of this type of drill is dual-port ....
Mature model ZGYX-420 DTH drilling rig using 3inch 4inch hammer and bits for mining 1. The supporting power standard of this type of drill is divided ...
ZGYX-421T Product Advantages 1. The auxiliary power of the drill is yuchai YC6A180Z, which is equipped with 10/14.5 screw machine.Equipped with 60mm 3...