| 2012-11-12 | 49597.29 | 39614.79 | 49597.29 | 49597.2914万股增发A股法人配售股份上市 |
| 2010-11-12 | 49597.29 | 35360.06 | 45342.56 | 7434.5187万股增发A股法人配售股份上市 |
| 2010-06-08 | 49597.29 | 27925.54 | 37908.05 | 10送2转增3股 |
| 2009-11-12 | 33064.86 | 18617.03 | 25272.03 | 非公开增发77,928,307股A股 |
| 2009-01-23 | 25272.03 | 18617.03 | 25272.03 | 本次有限售条件的流通股上市数量为115,525,792股 |
| 2008-01-14 | 25272.03 | 7064.45 | 13719.45 | 本次有限售条件的流通股上市数量为12,636,014股 |
| 2007-02-13 | 25272.03 | 5800.85 | 12455.85 | 本次有限售条件的流通股上市数量为2,389,192股 |
| 2007-01-15 | 25272.03 | 5561.93 | 12216.93 | 本次有限售条件流通股上市38,316,300股 |
| 2006-01-13 | 25272.03 | 1730.30 | 8385.30 | 股权分置方案实施:流通股股东每10股获得股票为3股 |
| 1999-06-02 | 25272.03 | 1331.00 | 7986.00 | 10转增1 |
| 1997-06-03 | 22974.57 | 1210.00 | 7260.00 | 10转增1 |
| 1995-09-25 | 20885.98 | 1100.00 | 6600.00 | 10送1派0.93 |
| 1994-08-30 | 18987.25 | 1000.00 | 6000.00 | 150万股职工股上市 |
| 1994-03-30 | 18987.25 | 850.00 | 5850.00 | 5000万股B股发行上市 |
| 1994-02-04 | 13987.25 | 850.00 | 850.00 | 850万股A股上市 |