| 2024 | Tex Year attend the investor conference held by Capital Securities on July 30, 2024. | 查看文件檔 | |
| 2023 | The Company 's Investor Video Conference on November 16, 2023. | 查看文件檔 | |
| 2023 | The Company has been invited to attend an Investor Video Conference hosted Fubon Securities on August 23, 2023. | 查看文件檔 | |
| 2022 | The Company 's Investor Video Conference on December 29, 2022. | 查看文件檔 | |
| 2022 | The Company 's Investor Conference on August 25, 2022. | 查看文件檔 | |
| 2021 | The Company has been invited to attend an Investor Conference hosted Jih Sun Securities on December 20, 2021. | 查看文件檔 | -- |
| 2021 | The Company 's Investor Conference on September 28, 2021. | 查看文件檔 | |
| 2020 | The Company has been invited to attend an Investor Conference hosted Jih Sun Securities on December 23, 2020. | 查看文件檔 | -- |
| 2020 | The Company 's Investor Video Conference on August 17, 2020. | 查看文件檔 | |
| 2019 | The Company 's Investor Video Conference on December 16, 2019. | 查看文件檔 | |
| 2018 | The Company 's Investor Video Conference on December 21, 2018. | 查看文件檔 | |
| 2017 | The Company 's Investor Conference on December 29, 2017. | 查看文件檔 | |
| 2016 | The brief of TWSE 2016 chemical industry thematic presentation ceremony on August 25, 2016 | 查看文件檔 | -- |
| 2016 | The Company 's Investor Conference on May 4, 2016. | 查看文件檔 | |
| 2016 | The dispatch of institutional investor conference fon May 4, 2016. | 查看文件檔 | -- |
| 2015 | The Company did not hold the Investor Conference in 2015. | -- | -- |
| 2014 | The Company did not hold the Investor Conference in 2014. | -- | -- |
