- Hydraulic Rock Drill Dept.
- Ms. Jinnie Ha
- Office. +82-41-539-0342
- Mobile. +82-10-6418-5795
- Special Purpose Vehicle Dept.
- Mr. Greg, Lee
- Office. +82-41-539-0337
- Mobile. +82-10-5204-9768
- Part Sales Team
- Mr. Junghyun, Choi
- Office. +82-41-539-0278
- Mobile. +82-10-2063-57220
- Service Team
- Mr. Cris, Kim
- Office. +82-41-539-0247
- Mobile. +82-10-2607-3137