| 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 | 6490.00 |
| 2010-09-09 | 5560.00 |
| 2010-08-12 | 4000.00 |
| 2010-07-06 | 5200.00 |
| 2010-04-28 | 4740.00 |
| 2010-03-05 | 5340.00 |
| 2010-01-21 | 4460.00 |
| 2009-12-21 | 4490.00 |
| 2009-12-10 | 4760.00 |
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