1. Enable to drill with casing tubes whose outer diameters are from 108mm to 323mm.
2. The flexible eccentric reamers can extend and retract easily. The casing tubes can overcome the difficulties in boring holes in overburden rock formations.
3. In result, the holes can be finished fast and with high quality.
4. Application:
Anchoring project, road construction, pipe and cable laying, sampling, geothermal well, water well, piling and *****
5. The outstanding advantages:
simple structure, easy operation, reliable quality.
They are retrievable and can be used again.
2. The flexible eccentric reamers can extend and retract easily. The casing tubes can overcome the difficulties in boring holes in overburden rock formations.
3. In result, the holes can be finished fast and with high quality.
4. Application:
Anchoring project, road construction, pipe and cable laying, sampling, geothermal well, water well, piling and *****
5. The outstanding advantages:
simple structure, easy operation, reliable quality.
They are retrievable and can be used again.

