YT-28 Air-leg rock drill
YT-29 Air-leg rock drill
GL250 Rock drill
GLMT11G Full hydraulic anchor bolt jumbo
GL18T Hydraulic rock drill
YT-27 Air-leg rock drill
Pneumatic crushing pick TPB-40
G3Z Three-Boom Tunneling Drill Rig
GZ1-Ⅲ single arm Tunneling Drill Rig
G2Z Fully Hydraulic Two-Boom tunnel jumbo drill
DTH drill hammer
GL726 Crawler DTH Drilling Rig