| 类型/截止日期 | 2020-05-28 | 2018-12-31 | 2018-10-10 | 2018-09-12 | 2018-09-06 | 2018-03-16 | 2017-12-31 | 2017-06-19 | 2016-03-25 | 2015-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 49,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 |
| 流通股(股) | 23,690,824 | 24,690,824 | 24,915,824 | 24,615,824 | 23,888,216 | 24,858,398 | 24,100,823 | 28,812,692 | 28,085,146 | 28,085,146 |
| 流通A股(股) | 23,690,824 | 24,690,824 | 24,915,824 | 24,615,824 | 23,888,216 | 24,858,398 | 24,100,823 | 28,812,692 | 28,085,146 | 28,085,146 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 25,309,176 | 25,309,176 | 25,084,176 | 25,384,176 | 26,111,784 | 25,141,602 | 25,899,177 | 21,187,308 | 21,914,854 | 21,914,854 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 50,000,000 | 50,000,000 | ||||||||
| 三板B股(股) | - | - | ||||||||
| 限售股份(股) | 25,309,176 | 25,309,176 | 25,084,176 | 25,384,176 | 26,111,784 | 25,141,602 | 25,899,177 | 21,187,308 | 21,914,854 | 21,914,854 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 17,231,667 | 17,231,667 | 17,231,667 | 17,231,667 | 17,959,275 | 17,959,275 | 17,959,275 | 17,959,275 | 18,686,821 | 18,686,821 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 17,231,667 | 17,231,667 | 17,231,667 | 17,231,667 | 17,959,275 | 17,959,275 | 17,959,275 | 17,959,275 | 18,686,821 | 18,686,821 |
| 高管持股(股) | 8,077,509 | 8,077,509 | 7,852,509 | 8,152,509 | 8,152,509 | 7,182,327 | 7,939,902 | 3,228,033 | 3,228,033 | 3,228,033 |
| 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 | 回购 | 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 | 新三板上市 | 其他变动原因 |
| 公告日期 | 2020-06-01 | 2019-04-24 | 2018-09-28 | 2018-09-06 | 2018-09-06 | 2018-03-13 | 2018-04-26 | 2017-06-14 | 2016-01-26 | 2016-04-07 |
| 变动日期 | 2020-05-28 | 2018-12-31 | 2018-10-10 | 2018-09-12 | 2018-09-06 | 2018-03-16 | 2017-12-31 | 2017-06-19 | 2016-03-25 | 2015-12-31 |