| 번호 | 제목 | 작성일 |
|---|---|---|
| 37 | changed ISO 9001 Management system certification to DNV(Det Norske Veritas) | 2012-04-23 |
| 36 | obtained the patent for “LED warning light” | 2012-02-23 |
| 35 | Obtain NEPSI certificate for SNE, SNES, SPNA models. | 2012-01-05 |
| 34 | Modular signal tower light QT70L-F-BZ received CE certification | 2011-12-26 |
| 33 | Obtained KOSHA certificate for ex-proof model SNE/SNES | 2011-11-25 |
| 32 | Selected as a venture company by Korea Technology Finance Fund Corporation | 2011-10-21 |
| 31 | Selected as Technology Innovation type business | 2011-10-21 |
| 30 | Obtain KCC certificate | 2011-08-04 |
| 29 | ATEX (Europe-proof instructions, ATmospheres EXplosibles) certificate obtain | 2011-07-26 |
| 28 | “prism applied light equipment” | 2011-07-26 |