| 类型/截止日期 | 2020-06-30 | 2019-12-31 | 2019-10-14 | 2019-06-30 | 2019-01-31 | 2019-01-28 | 2018-12-31 | 2018-10-23 | 2018-03-07 | 2018-02-08 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 | 60,000,000 |
| 流通股(股) | 27,991,200 | 29,631,900 | 30,044,400 | 29,444,400 | 29,594,400 | 27,930,150 | 27,930,150 | 29,594,400 | 26,208,600 | 21,171,600 |
| 流通A股(股) | 27,991,200 | 29,631,900 | 30,044,400 | 29,444,400 | 29,594,400 | 27,930,150 | 27,930,150 | 29,594,400 | 26,208,600 | 21,171,600 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 32,008,800 | 30,368,100 | 29,955,600 | 30,555,600 | 30,405,600 | 32,069,850 | 32,069,850 | 30,405,600 | 33,791,400 | 38,828,400 |
| 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) | 32,008,800 | 30,368,100 | 29,955,600 | 30,555,600 | 30,405,600 | 32,069,850 | 32,069,850 | 30,405,600 | 33,791,400 | 38,828,400 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 21,874,200 | 21,874,200 | 21,874,200 | 21,874,200 | 21,874,200 | 25,474,200 | 25,474,200 | 25,474,200 | 28,860,000 | 32,460,000 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | 2,905,800 | 2,905,800 |
| 其他境内自然人持股 | 21,874,200 | 21,874,200 | 21,874,200 | 21,874,200 | 21,874,200 | 25,474,200 | 25,474,200 | 25,474,200 | 25,954,200 | 29,554,200 |
| 高管持股(股) | 10,134,600 | 8,493,900 | 8,081,400 | 8,681,400 | 8,531,400 | 6,595,650 | 6,595,650 | 4,931,400 | 4,931,400 | 6,368,400 |
| 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,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 | 首发限售股份上市,高管股份变动 | 首发限售股份上市 |
| 公告日期 | 2020-08-21 | 2020-04-27 | 2019-10-09 | 2019-08-20 | 2019-01-28 | 2019-01-28 | 2019-04-23 | 2018-10-18 | 2018-03-02 | 2018-02-05 |
| 变动日期 | 2020-06-30 | 2019-12-31 | 2019-10-14 | 2019-06-30 | 2019-01-31 | 2019-01-28 | 2018-12-31 | 2018-10-23 | 2018-03-07 | 2018-02-08 |