PDC
cutters heavy density designed to drill soft to medium-hard
stratum(f≤*0).
Jet nozzles designed for directly flushing the fronts of fhe
cutters,and with high drilling speed and super long
life.
PDC
cutters heavy density designed to drill soft to medium-hard
stratum(f≤*0).
Jet nozzles designed for directly flushing the fronts of fhe
cutters,and with high drilling speed and super long life.
PDC
cutters heavy density designed to drill soft to medium-hard
stratum(f≤*0).
Jet nozzles designed for directly flushing the fronts of fhe
cutters,and with high drilling speed and super long
life.
