| 1 | Production and installation of permanent Watertight Door as anti-flooding measure | Geumgang Service Area Co.,Ltd | Watertight Doors & Windows | | 1 set | 2003.02 | |
| 2 | Production and installation of water-tight door at Photovoltaic Power Generation Facilities in Samcheock | Samcheock City | Watertight Doors & Windows | | 2 set | 2003.04 |  |
| 3 | Production and installation of blast-proof door
at Inpa Tunnel | Agency for Defense Development | Blast Proof Doors | 40 bar | 1 set | 2003.03 | |
| 4 | Production and installation of bullet-proof door & blast-proof door at Nuclear Generator no. 5 in Uljin | Dongbang Novoferm Inc | Blast Proof Doors | | 16 set | 2003.06 | |
| 5 | Installation of bullet-proof glass at Nuclear Generator no. 5 in Uljin | Samsung Corporation | Bullet-proof glass | | 2 set | 2003.07 | |
| 6 | Production and installation of blast-proof door at Wolseong Nuclear Power Plant | Daewoo Construction | Blast Proof Doors | | 2 set | 2004.04 | |
| 7 | Production and installation of air-tight door for valuable preservation | Model Park Co., Ltd | Air Tight Doors | | 1 set | 2003.10 | |
| 8 | Production and installation of air-tight door at Energe Research Institute, Gyeongju | Seonkyeong Co., Ltd | Air Tight Doors | | 1 set | 2003.10 | |
| 9 | ONU Box 3 Point Door at KT maintenance consturction site | Saejin Tech Co., Ltd | Other Specialty Doors | | 10 set | 2003.11 | |
| 10 | Blast Door Hardware | Hyundai Petrochemical Co. | Blast Proof Doors | | 10 set | 2004.01 | |
