| 类型/截止日期 | 2022-12-31 | 2019-12-31 | 2019-06-30 | 2018-12-31 | 2018-06-30 | 2018-01-26 | 2017-12-31 | 2017-05-16 | 2016-12-31 | 2016-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 | 12,800,000 |
| 流通股(股) | 3,537,500 | 3,612,500 | 3,653,750 | 3,713,750 | 3,770,000 | 3,830,000 | 3,800,000 | 4,055,000 | 3,785,000 | 4,133,750 |
| 流通A股(股) | 3,537,500 | 3,612,500 | 3,653,750 | 3,713,750 | 3,770,000 | 3,830,000 | 3,800,000 | 4,055,000 | 3,785,000 | 4,133,750 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 9,262,500 | 9,187,500 | 9,146,250 | 9,086,250 | 9,030,000 | 8,970,000 | 9,000,000 | 8,745,000 | 9,015,000 | 8,666,250 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 12,800,000 | 12,800,000 | 12,800,000 | |||||||
| 三板B股(股) | - | - | - | |||||||
| 限售股份(股) | 9,262,500 | 9,187,500 | 9,146,250 | 9,086,250 | 9,030,000 | 8,970,000 | 9,000,000 | 8,745,000 | 9,015,000 | 8,666,250 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | - | - | - | - | - | - | - | - | - | - |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | - | - | - | - | - | - | - | - | - | - |
| 高管持股(股) | 9,262,500 | 9,187,500 | 9,146,250 | 9,086,250 | 9,030,000 | 8,970,000 | 9,000,000 | 8,745,000 | 9,015,000 | 8,666,250 |
| 外资持股合计(股) | - | - | - | - | - | - | - | - | - | - |
| 其中：境外法人持股 | - | - | - | - | - | - | - | - | - | - |
| 境外自然人持股 | - | - | - | - | - | - | - | - | - | - |
| 股本变动原因 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 高管股份变动 |
| 公告日期 | 2023-04-26 | 2020-04-21 | 2019-08-08 | 2019-04-23 | 2018-08-17 | 2018-01-23 | 2018-04-23 | 2017-05-11 | 2017-04-26 | 2016-08-25 |
| 变动日期 | 2022-12-31 | 2019-12-31 | 2019-06-30 | 2018-12-31 | 2018-06-30 | 2018-01-26 | 2017-12-31 | 2017-05-16 | 2016-12-31 | 2016-06-30 |