| no | Title | Preview |
| 11 | Certificate of supplier registration for Underwater Lamp(KHNP) | |
| 10 | Certificate of supplier registration for Maintenance(KHNP) | |
| 9 | Certificate of supplier registration for DE,SFIS,HI,PAR(KHNP) | |
| 8 | Certificate of supplier registration for CCTV(KHNP) | |
| 7 | Certificate of supplier registration for PAR(KEPCO-E&C) | |
| 6 | Certificate of Equipment Qualification for Nuclear Safety Facility(KoFONS) | |
| 5 | Certificate of Venture Enterprise(Ministry of SMEs&S) | |
| 4 | Certificate of New excellent Technology(Ministry of TIE) | |
| 3 | Certificate of Management Innovation Enterprise(Ministry of SMEs&S) | |
| 2 | Certificate of Technology Innovation Enterprise(Ministry of SMEs&S) | |
| 1 | Certificate of ISO9000:2005(SAI GLOBAL) |
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