| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2011-06-30 | 周云梅 | 3,306,012 | 0.51 |
| 2011-03-31 | 周云梅 | 2,589,240 | 0.52 |
| 2010-12-31 | 周云梅 | 2,607,240 | 0.52 |
| 2010-09-30 | 周云梅 | 2,571,240 | 0.52 |
| 2010-06-30 | 周云梅 | 2,592,240 | 0.52 |
| 2010-03-31 | 周云梅 | 2,795,940 | 0.56 |
| 2009-12-31 | 周云梅 | 2,821,940 | 0.57 |
| 2009-09-30 | 周云梅 | 2,827,940 | 0.57 |
| 2009-03-31 | 周云梅 | 2,055,100 | 0.58 |
| 2008-12-31 | 周云梅 | 2,082,200 | 0.58 |
| 2008-09-30 | 周云梅 | 2,308,200 | 0.65 |
| 2008-06-30 | 周云梅 | 2,448,200 | 0.69 |
| 2008-03-31 | 周云梅 | 2,488,200 | 0.70 |
| 2007-12-31 | 周云梅 | 2,535,200 | 0.71 |
| 2007-09-30 | 周云梅 | 2,593,620 | 0.73 |
| 2007-06-30 | 周云梅 | 2,929,794 | 0.82 |
| 2007-03-31 | 周云梅 | 1,427,500 | 0.40 |