HITACHI - SUMITOMO MH5510B
- Manufacturer: Hitachi
Drilling depth: 100m Drill bit diameter: 3m Kellybar 19.8x4
Dong Nai, VietnamSUMITOMO SD610
- Manufacturer: Sumitomo
Maximum drilling depth: 100m Drilling diameter: 3m Kellybar: 19x4
Dong Nai, VietnamNIPPON SHARYO ED6500
- Manufacturer: Nippon Sharyo
Maximum drilling depth: 100m Drilling diameter: 3m Kellybar: 16.5x5
Dong Nai, Vietnam

