192SCY - 17

GHJ180 mortar mixer

ZGYX-420S diesel electric dual purpose down the hole drilling vehicle

15SFbe permanent magnet variable frequency integrated screw machine

HD45 down the hole impactor

Nine tooth 45 drill bit (for J21 drilling rig)

PZ-5D concrete spraying machine

Second hand Zhigao 420 drilling rig

75SCF+-8

GJB3 Squeezing Grouting Pump

185SDY+-17

Double layer mixer