Down-the-hole (DTH) drilling rigs are extensively used in metallurgy, mining, railway, hydropower engineering, national defense construction, dredging, earth and stone works and other blasthole drilling projects. Sunward offers a full line of DTH drilling rigs that can cover the largest range of drilling diameter.
Features- High efficiency, high reliability and low operating cost;
- Good adaptability;
- Eco-friendly, comfortable, easy to operate;
- High safety;
- Easy maintenance;