| · | [Tungsten]Ferrotungsten in EU Market | 7/16/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/16/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/6/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/6/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/6/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/29/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/25/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/25/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/19/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/19/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/12/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/8/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/8/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/2/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/2/2009 |