●The equipment is easy to hoist, especially sui'₩&∑table for automatic drilling and sampli₹₹∏ ng in small space.
●Double frequency inverter control system, which★$β can automatically ad£γ↔just the advancing speed according to theγλ hardness of the stonew↔$≠hile ensuring the strai₹↓≥ghtness of the hole.
●Water-cooled segments = l$÷±÷ow noise, no dust drδ↓illing, improved safety.
●Optional terminal limit f'≥ ₩unction, which is more conducive to the σΩ↕βsmooth start and stop of the equipment.