| 类型/截止日期 | 2023-03-24 | 2020-06-30 | 2019-12-31 | 2019-06-30 | 2019-03-20 | 2017-12-31 | 2017-08-16 | 2017-02-17 | 2017-02-14 | 2016-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 | 52,800,000 |
| 流通股(股) | 26,820,225 | 26,808,975 | 27,483,975 | 27,393,975 | 27,483,975 | 27,393,975 | 27,993,975 | 24,867,375 | 23,522,375 | 26,441,675 |
| 流通A股(股) | 26,820,225 | 26,808,975 | 27,483,975 | 27,393,975 | 27,483,975 | 27,393,975 | 27,993,975 | 24,867,375 | 23,522,375 | 26,441,675 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 25,979,775 | 25,991,025 | 25,316,025 | 25,406,025 | 25,316,025 | 25,406,025 | 24,806,025 | 27,932,625 | 29,277,625 | 26,358,325 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 52,800,000 | 52,800,000 | 52,800,000 | |||||||
| 三板B股(股) | - | - | - | |||||||
| 限售股份(股) | 25,979,775 | 25,991,025 | 25,316,025 | 25,406,025 | 25,316,025 | 25,406,025 | 24,806,025 | 27,932,625 | 29,277,625 | 26,358,325 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 9,592,000 | 9,592,000 | 9,592,000 | 9,592,000 | 9,592,000 | 19,184,000 | 19,184,000 | 19,184,000 | 20,484,000 | 20,484,000 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 9,592,000 | 9,592,000 | 9,592,000 | 9,592,000 | 9,592,000 | 19,184,000 | 19,184,000 | 19,184,000 | 20,484,000 | 20,484,000 |
| 高管持股(股) | 16,387,775 | 16,399,025 | 15,724,025 | 15,814,025 | 15,724,025 | 6,222,025 | 5,622,025 | 8,748,625 | 8,793,625 | 5,874,325 |
| 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 | 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,首发限售股份上市 | 高管股份变动 | 高管股份变动 |
| 公告日期 | 2023-03-21 | 2020-08-31 | 2020-04-24 | 2019-08-21 | 2019-03-15 | 2018-04-24 | 2017-08-11 | 2017-02-14 | 2017-02-14 | 2017-04-25 |
| 变动日期 | 2023-03-24 | 2020-06-30 | 2019-12-31 | 2019-06-30 | 2019-03-20 | 2017-12-31 | 2017-08-16 | 2017-02-17 | 2017-02-14 | 2016-12-31 |