Air Pollution Control Systems & Technical Services for Clean Air and Environment
1. Power Plant
2. Cement
3. Iron & Steel
4. Non-Ferrous Metals
5. Petrochemicals
6. Resource recycling centers, collective energy facilities
| Yangcheon | Mapo | Suwon |
| Nowon | Seongnam | Namyangju |
| Yangsan | Songdo | Cheongna |
| Nowon | Jeonju | Jeonbuk Integrated Energy |
| Ulleungdo Household Waste Energy Facility | Baengnyeongdo/Yeonpyeongdo Incineration Facility |
7. Secondary battery materials
8. Other