| 类型/截止日期 | 2019-05-31 | 2018-12-31 | 2017-12-31 | 2017-12-15 | 2017-12-12 | 2017-09-15 | 2017-06-30 | 2017-04-06 | 2017-03-30 | 2016-08-01 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 | 57,400,000 |
| 流通股(股) | 31,246,750 | 30,946,750 | 31,021,750 | 31,032,250 | 30,805,914 | 30,837,414 | 29,493,414 | 29,508,414 | 29,282,082 | 30,093,582 |
| 流通A股(股) | 31,246,750 | 30,946,750 | 31,021,750 | 31,032,250 | 30,805,914 | 30,837,414 | 29,493,414 | 29,508,414 | 29,282,082 | 30,093,582 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 26,153,250 | 26,453,250 | 26,378,250 | 26,367,750 | 26,594,086 | 26,562,586 | 27,906,586 | 27,891,586 | 28,117,918 | 27,306,418 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 57,400,000 | 57,400,000 | 57,400,000 | |||||||
| 三板B股(股) | - | - | - | |||||||
| 限售股份(股) | 26,153,250 | 26,453,250 | 26,378,250 | 26,367,750 | 26,594,086 | 26,562,586 | 27,906,586 | 27,891,586 | 28,117,918 | 27,306,418 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 22,488,666 | 22,488,666 | 22,488,666 | 22,488,666 | 22,675,334 | 22,675,334 | 22,675,334 | 22,675,334 | 22,862,000 | 22,862,000 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 22,488,666 | 22,488,666 | 22,488,666 | 22,488,666 | 22,675,334 | 22,675,334 | 22,675,334 | 22,675,334 | 22,862,000 | 22,862,000 |
| 高管持股(股) | 3,664,584 | 3,964,584 | 3,889,584 | 3,879,084 | 3,918,752 | 3,887,252 | 5,231,252 | 5,216,252 | 5,255,918 | 4,444,418 |
| 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 | 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 | 2019-05-28 | 2019-04-16 | 2018-04-20 | 2017-12-12 | 2017-12-12 | 2017-09-12 | 2017-08-15 | 2017-03-30 | 2017-03-30 | 2016-07-26 |
| 变动日期 | 2019-05-31 | 2018-12-31 | 2017-12-31 | 2017-12-15 | 2017-12-12 | 2017-09-15 | 2017-06-30 | 2017-04-06 | 2017-03-30 | 2016-08-01 |