Хятад улсын үйлдвэрлэгч нийлүүлэгч DTh өрмийн машин …
* Full hydraulic control, be convenient and flexible: Drilling speed, torque, axial pressure, anti-axial pressure, propulsion speed and speed can be adjusted at any time to meet the needs of different drilling tools and different construction techniques * Top drive rotary drilling: easy to insta...