| 10 | Changed company name (Seoyon Electronics → Mobase Electronics) | 
|---|---|
| 09 | Change of the largest shareholder (Mobase) | 
| 06 | Established Mobase Electronics Mexico | 
|---|
| 10 | Established Mobase Electronics India | 
|---|
| 11 | Relocated of HQ (Ansan → Suwon) | 
|---|---|
| 03 | Relocated of R&D Center (Seoul → Anyang) | 
| 12 | Changed company name (Daedong → Seoyon Electronics) | 
|---|
| 06 | World Class 300 corporate selection | 
|---|
| 11 | Joined subsidiary of Mobase Die Casting in China | 
|---|
| 08 | Changed company name (Shinchang Electronics → Daedong) | 
|---|
| 12 | Change of the largest shareholder (Seoyon) | 
|---|---|
| 04 | Relocated of R&D Center (Ansan → Seoul) | 
| 09 | Established Mobase Electronics Poland | 
|---|
| 09 | Established Suzhou Mobase Electronics in China | 
|---|
| 10 | Established STF | 
|---|
| 12 | Established Mobase Connector | 
|---|---|
| 12 | Completion of Cheonan Plant | 
| 10 | Listed on KOSDAQ | 
| 03 | Established Guizhou Huachang Automobile Electric in China | 
| 05 | Commenced Magnesium business | 
|---|---|
| 01 | Joined subsidiary of Mobase Precision (former, Korea HUF) | 
| 08 | Established R&D Center | 
|---|
| 07 | Designated by Ministry of Commerce and Industry as professional factory for automobile parts (item : KEY SET) | 
|---|
| 01 | Established Shinchang Electronics | 
|---|