| |
| Factory moved. (Currently at 726-7, Wonsi-dong, Ansan) |
| Named a family company of KEB. |
| Changed company name to SAMDOO. |
07.05 | Moved to the factory purchased. (700-12, Seonggok-dong, Ansan) |
07.01 | Opened Daegoo Office. (245-11, Sangni-dong, Seo-gu, Daegu) |
| Incorporated into SAMDOO Chemicals. |
| Company moved. (619-7, Choji-dong, Ansan-si) |
| Established SAMDOO Chemicals. (Dodang-dong, Wonmi-gu, Bucheon) |