| 类型/截止日期 | 2018-12-31 | 2016-12-31 | 2015-06-30 | 2015-01-06 | 2014-12-31 | 2012-06-30 | 2012-01-10 | 2011-12-31 | 2010-08-09 | 2009-07-06 |
|---|---|---|---|---|---|---|---|---|---|---|
| 总股本(股) | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 |
| 流通股(股) | 12,034,340 | 12,656,840 | 12,692,840 | 12,767,840 | 10,431,340 | 11,001,215 | 11,152,453 | 10,657,024 | 11,219,524 | 11,114,524 |
| 流通A股(股) | 12,034,340 | 12,656,840 | 12,692,840 | 12,767,840 | 10,431,340 | 11,001,215 | 11,152,453 | 10,657,024 | 11,219,524 | 11,114,524 |
| 流通B股(股) | - | - | - | - | - | - | - | - | - | - |
| 流通H股(股) | - | - | - | - | - | - | - | - | - | - |
| 境外流通股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售A股(股) | 21,765,660 | 21,143,160 | 21,107,160 | 21,032,160 | 23,368,660 | 22,798,785 | 22,647,547 | 23,142,976 | 22,580,476 | 22,685,476 |
| 限售B股(股) | - | - | - | - | - | - | - | - | - | - |
| 限售H股(股) | - | - | - | - | - | - | - | - | - | - |
| 三板A股(股) | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | 33,800,000 | |
| 三板B股(股) | - | - | - | - | - | - | - | - | - | |
| 限售股份(股) | 21,765,660 | 21,143,160 | 21,107,160 | 21,032,160 | 23,368,660 | 22,798,785 | 22,647,547 | 23,142,976 | 22,580,476 | 22,685,476 |
| 国家持股(股) | - | - | - | - | - | - | - | - | - | - |
| 国有法人持股(股) | - | - | - | - | - | - | - | - | - | - |
| 其他内资持股合计(股) | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 12,756,740 |
| 其中：境内法人持股 | - | - | - | - | - | - | - | - | - | - |
| 其他境内自然人持股 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 6,378,370 | 12,756,740 |
| 高管持股(股) | 15,387,290 | 14,764,790 | 14,728,790 | 14,653,790 | 16,990,290 | 16,420,415 | 16,269,177 | 16,764,606 | 16,202,106 | 9,928,736 |
| 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 | 定期报告 | 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 | 首发限售股份上市 |
| 公告日期 | 2019-04-18 | 2017-04-18 | 2015-08-26 | 2014-12-31 | 2015-04-28 | 2012-08-22 | 2012-01-11 | 2012-04-20 | 2010-08-09 | 2009-07-06 |
| 变动日期 | 2018-12-31 | 2016-12-31 | 2015-06-30 | 2015-01-06 | 2014-12-31 | 2012-06-30 | 2012-01-10 | 2011-12-31 | 2010-08-09 | 2009-07-06 |