| 报告时间 | 股东名称 | 持股数量(股) | 占总股本比例(%) |
| 2023-06-30 | WATTSBURG CO. LTD. | 4,400,558 | 0.32 |
| 2022-06-30 | WATTSBURG CO. LTD. | 4,400,558 | 0.32 |
| 2009-12-31 | WATTSBURG CO. LTD. | 4,400,558 | 0.38 |
| 2005-12-31 | WATTSBURG CO. LTD. | 3,478,702 | 0.38 |
| 2003-06-30 | WATTSBURG CO. LTD. | 3,478,702 | 0.38 |
| 2001-12-31 | WATTSBURG CO. LTD. | 3,162,456 | 0.38 |