Tong Baoan
| Company | Stock Code | From | To | Position(s) | Release Date / Document Links | Reason for Change |
|---|---|---|---|---|---|---|
| China Railway Signal & Communication Corporation Limited | 03969 | 22-May-15 | INED | |||
| China Electronics Huada Technology Company Limited | 00085 | 24-Sep-04 | 19-Jul-10 | NED, V-Ch |