| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2011-06-30 | WATTSBURG CO. LTD | 4,400,558 | 0.38 |
| 2010-06-30 | WATTSBURG CO. LTD | 4,400,558 | 0.38 |
| 2009-06-30 | WATTSBURG CO. LTD | 4,400,558 | 0.38 |
| 2007-12-31 | WATTSBURG CO. LTD | 4,400,558 | 0.38 |
| 2007-06-30 | WATTSBURG CO. LTD | 4,400,558 | 0.38 |
| 2006-12-31 | WATTSBURG CO. LTD | 4,000,507 | 0.38 |
| 2006-09-30 | WATTSBURG CO. LTD | 4,000,507 | 0.38 |
| 2006-06-30 | WATTSBURG CO. LTD | 4,000,507 | 0.38 |