| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| LUMEN INNOVATION ASSET MANAGEMENT LIMITED | RO | Asset management | 2021-06-18 | 2024-11-22 |
| RO | Advising on securities | 2021-06-18 | 2025-10-31 | |
| HONG KONG QUANTONG ASSET TRADING CO., LIMITED | RO | Dealing in securities | 2020-07-24 | - |
| China-Hong Kong Link Securities Company Limited | RO | Dealing in securities | 2020-02-03 | 2020-07-02 |
| Rep | Dealing in securities | 2020-01-06 | 2020-02-03 | |
| Brilliant Norton Securities Company Limited | Rep | Advising on securities | 2016-11-17 | 2019-12-04 |
| Rep | Dealing in securities | 2016-11-17 | 2019-12-04 |