| 类型/截止日期 | 2018-12-31 | 2017-12-31 | 2017-04-28 | 2017-01-17 | 2016-12-31 | 2016-06-30 | 2015-12-31 | 2015-12-07 | 2015-05-13 | 2011-06-03 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 24,200,000 | 24,200,000 |
| 流通股(股) | 20,605,300 | 21,193,305 | 21,396,182 | 16,021,433 | 15,994,446 | 16,012,672 | 12,999,672 | 13,065,172 | 13,065,172 | 10,532,004 |
| 流通A股(股) | 20,605,300 | 21,193,305 | 21,396,182 | 16,021,433 | 15,994,446 | 16,012,672 | 12,999,672 | 13,065,172 | 13,065,172 | 10,532,004 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 11,394,700 | 10,806,695 | 10,603,818 | 15,978,567 | 16,005,554 | 15,987,328 | 19,000,328 | 18,934,828 | 11,134,828 | 13,667,996 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 32,000,000 | 24,200,000 | 24,200,000 | ||
| 三板B股(股) | - | - | - | - | - | - | - | - | ||
| 限售股份(股) | 11,394,700 | 10,806,695 | 10,603,818 | 15,978,567 | 16,005,554 | 15,987,328 | 19,000,328 | 18,934,828 | 11,134,828 | 13,667,996 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 7,649,168 | 7,649,168 | 7,649,168 | 7,773,013 | 7,800,000 | 7,800,000 | 7,800,000 | 7,800,000 | - | - |
| 其中：境内法人持股 | 6,000,000 | 6,000,000 | 6,000,000 | 6,000,000 | 6,000,000 | 6,000,000 | 6,000,000 | 6,000,000 | - | - |
| 其他境内自然人持股 | 1,649,168 | 1,649,168 | 1,649,168 | 1,773,013 | 1,800,000 | 1,800,000 | 1,800,000 | 1,800,000 | - | - |
| 高管持股(股) | 3,745,532 | 3,157,527 | 2,954,650 | 8,205,554 | 8,205,554 | 8,187,328 | 11,200,328 | 11,134,828 | 11,134,828 | 13,667,996 |
| 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 | 网下配售股份上市 | 网下配售股份上市 | 高管股份变动 | 高管股份变动 | 高管股份变动 | 增发A股上市 | 首发限售股份上市 | 股改限售流通股上市 |
| 公告日期 | 2019-04-30 | 2018-06-29 | 2017-04-25 | 2017-01-12 | 2017-04-27 | 2016-06-27 | 2016-05-09 | 2015-12-02 | 2015-05-08 | 2011-06-03 |
| 变动日期 | 2018-12-31 | 2017-12-31 | 2017-04-28 | 2017-01-17 | 2016-12-31 | 2016-06-30 | 2015-12-31 | 2015-12-07 | 2015-05-13 | 2011-06-03 |