Zheng Yongtang
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Biosino Bio-Tec | 08247 | 23-Mar-15 | 25-May-23 | INED | Would like to devote more time on their other commitments |
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Biosino Bio-Tec | 08247 | 23-Mar-15 | 25-May-23 | INED | Would like to devote more time on their other commitments |