| Date | Description |
|---|---|
| 2024-10-16 | update website_status OK => InvalidLanguage |
| 2018-02-22 | delete address Technical Innovation Center 517 |
| 2018-02-22 | delete email sh..@tsumtech.com |
| 2018-02-22 | delete fax +82-31-8041-1881 |
| 2018-02-22 | delete phone +82-31-8041-1880 |
| 2018-02-22 | delete phone 010-6310-4298 |
| 2018-02-22 | update primary_contact Technical Innovation Center 517 => null |