Du Guosheng
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| Sinopec Beijing Yanhua Petrochemical Company Limited | 00325 | 11-Apr-00 | 10-Jul-04 | Ch | ||
| Sinopec Beijing Yanhua Petrochemical Company Limited | 00325 | 23-Apr-97 | 11-Apr-00 | Non-Executive Director |