| 类型/截止日期 | 2022-12-31 | 2022-06-30 | 2020-06-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 | 65,600,000 |
| 流通股(股) | 35,555,245 | 35,560,406 | 30,924,000 | 30,927,750 | 30,978,750 | 31,141,500 | 31,143,000 | 31,251,000 | 31,268,250 | 31,291,500 |
| 流通A股(股) | 35,555,245 | 35,560,406 | 30,924,000 | 30,927,750 | 30,978,750 | 31,141,500 | 31,143,000 | 31,251,000 | 31,268,250 | 31,291,500 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 30,044,755 | 30,039,594 | 34,676,000 | 34,672,250 | 34,621,250 | 34,458,500 | 34,457,000 | 34,349,000 | 34,331,750 | 34,308,500 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | ||||||||||
| 三板B股(股) | ||||||||||
| 限售股份(股) | 30,044,755 | 30,039,594 | 34,676,000 | 34,672,250 | 34,621,250 | 34,458,500 | 34,457,000 | 34,349,000 | 34,331,750 | 34,308,500 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 | 12,000,000 |
| 其他内资持股合计(股) | 17,453,284 | 17,453,284 | 22,292,750 | 22,292,750 | 22,292,750 | 22,292,750 | 22,292,750 | 22,292,750 | 22,292,750 | 22,292,750 |
| 其中：境内法人持股 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 | 3,200,000 |
| 其他境内自然人持股 | 14,253,284 | 14,253,284 | 19,092,750 | 19,092,750 | 19,092,750 | 19,092,750 | 19,092,750 | 19,092,750 | 19,092,750 | 19,092,750 |
| 高管持股(股) | 591,471 | 586,310 | 383,250 | 379,500 | 328,500 | 165,750 | 164,250 | 56,250 | 39,000 | 15,750 |
| 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 | 2023-03-31 | 2022-08-26 | 2020-08-27 | 2019-08-28 | 2019-04-30 | 2019-03-29 | 2018-10-30 | 2018-08-28 | 2018-04-27 | 2018-03-30 |
| 变动日期 | 2022-12-31 | 2022-06-30 | 2020-06-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 |