| Date | Description |
|---|---|
| 2024-08-11 | insert ceo Mr. Jung Min Sik |
| 2024-08-11 | delete person Baek Young Nam |
| 2024-08-11 | insert person Mr. Jung Min Sik |
| 2024-07-09 | insert person Baek Young Nam |
| 2024-06-06 | delete person Baek Young Nam |
| 2021-02-03 | insert person Baek Young Nam |