| 2019 | 04 | Hyundai and Kia Motors SQ Certified |
| 2018 | 07 | Updated ISO9001: 2015 |
| 08 | IATF16949 certification |
| 2016 | 05 | Mobis Quality Standard [MSQ] Certification _B Rating |
| 11 | New deal in Valeo Automotive Division |
| 2015 | 01 | Mando Quality Standard [MQ] Acquired_A Rating |
| 2011 | 08 | Transfer of new plant |
| 2009 | 01 | Registered as a partner company of LG Innotek |
| 12 | TS16949 certification |
| 2007 | 01 | ISO 9001 certification |
| 2001 | 04 | Acquired CORE division from KEC |
| 07 | Start Core business |
| 1995 | 11 | Awarded five million dollar export tower |
| 1988 | 01 | Business start [Transistor Semiconductor] |
| Selected as a promising small business [Korea Long-Term Credit Bank] |
| 1987 | 03 | Established company |
