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| - Power-saving control circuit |
| - Steering angle measurement device of steering axis for automobile and its measurement method |
| No | Date | Title | Place of Issue |
|---|---|---|---|
| 1 | 2007-13 | ISO/TS16949 (Quality Management System) | TÜV |
| 2 | 2006-03 | ISO14001 (Environment Management System) | TÜV |
| No | Date | Title | Place of Issue |
|---|---|---|---|
| 1 | 2013-12 | CMMI Maturity 3 | SEI |
| 2 | 2012-12 | CMMI Maturity 3 | SEI |
| No | Date | Title | Place of Issue |
|---|---|---|---|
| 1 | 2015-02 | Quality Certification | Hyundam |
| 2 | 2007-06 | HYUNDAI & KIA SQ Certification | Pyunghwa Automotive |
| No | Date | Title | Place of Issue |
|---|---|---|---|
| 1 | 2005-10 | Professional company of electronic components & material | Ministry of Commerce Industry and Energy |
| 2 | 2004-02 | Certification of R&D Center | Korea Industrial Technology Association |
