| 类型/截止日期 | 2022-12-31 | 2022-06-30 | 2020-06-30 | 2020-02-18 | 2018-10-12 | 2017-06-30 | 2017-02-28 | 2016-12-21 | 2016-12-16 | 2016-10-20 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 |
| 流通股(股) | 33,027,805 | 33,200,305 | 32,776,180 | 33,631,180 | 33,481,180 | 32,738,680 | 33,141,055 | 32,995,555 | 32,688,055 | 32,802,805 |
| 流通A股(股) | 33,027,805 | 33,200,305 | 32,776,180 | 33,631,180 | 33,481,180 | 32,738,680 | 33,141,055 | 32,995,555 | 32,688,055 | 32,802,805 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 20,972,195 | 20,799,695 | 21,223,820 | 20,368,820 | 20,518,820 | 21,261,320 | 20,858,945 | 21,004,445 | 21,311,945 | 21,197,195 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 54,000,000 | 54,000,000 | 54,000,000 | 54,000,000 | ||||||
| 三板B股(股) | - | - | - | - | ||||||
| 限售股份(股) | 20,972,195 | 20,799,695 | 21,223,820 | 20,368,820 | 20,518,820 | 21,261,320 | 20,858,945 | 21,004,445 | 21,311,945 | 21,197,195 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 | 13,351,083 |
| 高管持股(股) | 7,621,112 | 7,448,612 | 7,872,737 | 7,017,737 | 7,167,737 | 7,910,237 | 7,507,862 | 7,653,362 | 7,960,862 | 7,846,112 |
| 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 | 首发限售股份上市,高管股份变动 |
| 公告日期 | 2023-04-28 | 2022-08-31 | 2020-08-28 | 2020-02-13 | 2018-10-09 | 2017-08-24 | 2017-02-23 | 2016-12-16 | 2016-12-16 | 2016-10-13 |
| 变动日期 | 2022-12-31 | 2022-06-30 | 2020-06-30 | 2020-02-18 | 2018-10-12 | 2017-06-30 | 2017-02-28 | 2016-12-21 | 2016-12-16 | 2016-10-20 |