| Kangda International Environmental Company Limited | 06136 | 04-Apr-19 | | ED | | |
| Zhongyu Energy Holdings Limited | 03633 | 30-Jun-17 | | INED | | |
| Zhongyu Energy Holdings Limited | 08070 | 30-Jun-17 | | INED | | |
| New Universe Environmental Group Limited | 00436 | 09-Jun-15 | | ED | | |
| New Universe Environmental Group Limited | 08068 | 09-Jun-15 | | ED | | |
| CHINA WATER | 00855 | 28-Jul-03 | 02-Oct-25 | NED | | Resigned due to her other business commitments. After her resignation, Ms. Liu shall remain as a consultant of the Group. |
| CHINA WATER | 00855 | 28-Jul-03 | 12-Apr-23 | ED | | Due to her decision to devote more time to her personal affairs. Re-designated from an executive director to a non-executive director |
| SIIC ENVIRONMENT HOLDINGS LTD. | 00807 | 19-Nov-09 | 08-Aug-14 | ED | | |
| CHINA GAS HOLDINGS LIMITED | 00384 | 06-Nov-02 | 02-Jun-03 | ED | | |
| Greater China Financial Holdings Limited | 00431 | 25-Jul-02 | 02-Sep-02 | NED | | |
| Greater China Financial Holdings Limited | 00431 | 15-Oct-01 | 25-Jul-02 | INED | | |