| 类型/截止日期 | 2022-12-31 | 2020-07-28 | 2019-06-30 | 2019-03-01 | 2018-02-28 | 2018-02-23 | 2017-12-31 | 2017-06-30 | 2017-05-31 | 2017-05-24 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 | 20,000,000 |
| 流通股(股) | 6,864,499 | 9,726,499 | 5,961,499 | 6,919,999 | 5,922,499 | 4,817,031 | 6,220,000 | 6,470,000 | 6,565,625 | 5,333,333 |
| 流通A股(股) | 6,864,499 | 9,726,499 | 5,961,499 | 6,919,999 | 5,922,499 | 4,817,031 | 6,220,000 | 6,470,000 | 6,565,625 | 5,333,333 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 13,135,501 | 10,273,501 | 14,038,501 | 13,080,001 | 14,077,501 | 15,182,969 | 13,780,000 | 13,530,000 | 13,434,375 | 14,666,667 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 20,000,000 | 20,000,000 | ||||||||
| 三板B股(股) | - | - | ||||||||
| 限售股份(股) | 13,135,501 | 10,273,501 | 14,038,501 | 13,080,001 | 14,077,501 | 15,182,969 | 13,780,000 | 13,530,000 | 13,434,375 | 14,666,667 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 3,198,333 | 3,198,333 | 4,348,333 | 4,348,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 3,198,333 | 3,198,333 | 4,348,333 | 4,348,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 | 5,233,333 |
| 高管持股(股) | 9,937,168 | 7,075,168 | 9,690,168 | 8,731,668 | 8,844,168 | 9,949,636 | 8,546,667 | 8,296,667 | 8,201,042 | 9,433,334 |
| 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,首发限售股份上市 | 高管股份变动 | 高管股份变动,首发限售股份上市 | 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 | 2023-04-12 | 2020-07-23 | 2019-08-01 | 2019-02-26 | 2018-02-23 | 2018-02-23 | 2018-04-19 | 2017-07-27 | 2017-05-24 | 2017-05-24 |
| 变动日期 | 2022-12-31 | 2020-07-28 | 2019-06-30 | 2019-03-01 | 2018-02-28 | 2018-02-23 | 2017-12-31 | 2017-06-30 | 2017-05-31 | 2017-05-24 |