| 1969 |
| 04/28 |
Company was established as a State-Owned Enterprise, under the supervision of Ministry of Economic Affairs. | |
| 1973 |
| 05 |
Tou-Fen ethane cracker on stream. |
| 06 |
DMT plant on stream. | |
| 1976 |
| 06 |
No.1 Acrylonitrile unit of Da-Sheh on stream. | |
| 1979 |
| 01 |
No.2 Acrylonitrile unit of Da-Sheh on stream. | |
| 1982 |
| 05 |
Following the mandate from Ministry of Economic Affairs, CPDC was merged with another State-Owned Enterprise, Chungtai Chemical Co., LTD thus added Kaohsiung plant (CPL Plant No. 1 ) and Tou-Fen plant (CPL Plant No. 2) as production sites and added a new product, CPL. |
| 07 |
Following the mandate from Ministry of Economic Affairs, CPDC took over Kaohsiung plant of Taiwan Alkali Co., Ltd and changed the name to CPDC Chen-Jen plant. Therefore, CPDC has Chen-Jen plant as another production site and new products chloralkali. |
| 09 |
DMT plant was shutdown. | |
| 1983 |
| 01 |
Following the mandate from Ministry of Economic Affairs, CPDC was merged with the another State-Owned Enterprise, China Phosphate Co., Ltd and had Hsiaokang Plant as another production site and added Dicalcium Phosphate and other phosphates as new products. |
| 04 |
Following the mandate from Ministry of Economic Affairs, CPDC was merged with the another State-Owned Enterprise, Taiwan Alkali Co., Ltd and closed Ann-Shen plant in Tainan. (note: there is not any site development or use since CPDC merged with this plant). | |
| 1985 |
| 04 |
GAC unit of Da-Sheh Plant on stream. | |
| 1988 |
| 05 |
Following government regulation to shut down the Chen-Jen Plant. | |
| 1990 |
| 09 |
Ethane cracker of Tou-Fen Plant was shut down. | |
| 1991 |
| 07/12 |
CPDC stocks were listed at Taiwan Stock Exchange Corporation (TSEC). | |
| 1993 |
| 12/15 |
The Budget Economic Joint Committee of Legislative Yuan passed the proposal of CPDC's privatization.. | |
| 1994 |
| 06/20 |
CPDC was privatized. | |
| 1999 |
| 09 |
Nylon chip unit on stream. | |
| 2001 |
| 01 |
CPL Plant No. 3 with annual capacity of 120,000 MT on stream.
Co-gen unit of Hsiaokang Plant with installed capacity of 95 MW on stream.
Co-gen unit of Tou-Fen Plant with installed capacity of 59 MW on stream. | |
| 2002 |
| 11 |
Full implementation of ERP system (Oracle ERP). | |
| 2003 |
| 12 |
Kaohsiung plant (CPL Plant No. 1 ) was shut down. | |
