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KQY90 down the hold drill

●Domestic initiative of gas-liquid linkage DTH drilling rig

To use hydraulic design technology innovation in light of DTH rig, high efficiency and energy saving, domestic initiative.

Hydraulic motor drive, and large rotary torque, not easy card brazing.

Unique drilling frame lock structure, to ensure hole angle accurate, consistent.

Chic counter weight device, make the drill work stable and reliable, does not shift.

Operating mechanism, concentrated, convenient and quick operation.