Shi Dinghuan
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| O2micro International Limited | 00457 | Ind Dir | ||||
| Beijing Energy International Holding Co., Ltd. | 00686 | 10-Jun-13 | 31-Dec-20 | INED | ||
| Guodian Technology & Environment Group Corporation Limited | 01296 | 08-Jun-12 | 16-May-14 | INED |