| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2004-06-30 | 上海船厂 | 41,651,940 | 17.25 |
| 2003-12-31 | 上海船厂 | 41,651,940 | 17.25 |
| 2003-06-30 | 上海船厂 | 41,651,940 | 17.25 |
| 2002-12-31 | 上海船厂 | 41,651,940 | 17.25 |
| 2002-09-30 | 上海船厂 | 41,651,940 | 17.25 |
| 2002-06-30 | 上海船厂 | 41,651,940 | 17.25 |
| 2002-03-31 | 上海船厂 | 41,651,940 | 17.25 |
| 2001-12-31 | 上海船厂 | 41,651,940 | 17.25 |
| 2001-09-30 | 上海船厂 | 41,651,940 | 17.25 |
| 2001-06-30 | 上海船厂 | 41,650,000 | 17.25 |
| 2000-12-31 | 上海船厂 | 41,651,940 | 17.25 |
| 2000-06-30 | 上海船厂 | 41,651,940 | 17.25 |
| 1999-12-31 | 上海船厂 | 41,651,940 | 17.25 |
| 1999-06-30 | 上海船厂 | 41,651,940 | 17.25 |
| 1998-12-31 | 上海船厂 | 37,865,400 | 17.25 |
| 1998-06-30 | 上海船厂 | 37,865,400 | 17.25 |