| 日期 | 单位：元/吨 |
| 2011-09-16 | 购买后可见 » |
| 2011-08-22 | 购买后可见 » |
| 2011-08-05 | 购买后可见 » |
| 2011-07-06 | 购买后可见 » |
| 2011-05-31 | 购买后可见 » |
| 2011-02-28 | 购买后可见 » |
| 2010-12-22 | 购买后可见 » |
| 2010-11-22 | 购买后可见 » |
| 2010-10-22 | 6850.00 |
| 2010-09-09 | 5750.00 |
| 2010-08-12 | 5530.00 |
| 2010-07-06 | 5350.00 |
| 2010-04-28 | 5210.00 |
| 2010-03-05 | 5620.00 |
| 2010-01-21 | 5040.00 |
| 2009-12-21 | 4860.00 |
| 2009-12-10 | 5130.00 |
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