Yan Xiyun
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Biosino Bio-Technology and Science Incorporation | 08247 | 02-Dec-15 | 08-Jan-19 | Sup | ||
| Biosino Bio-Technology and Science Incorporation | 08247 | 20-Aug-14 | 02-Dec-15 | ChSup | ||
| Biosino Bio-Technology and Science Incorporation | 08247 | 02-Sep-03 | 09-Jan-07 | ChSup |