| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/20/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/19/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/19/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/17/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/17/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/7/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/7/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/30/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/30/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/29/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/29/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/26/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/26/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/22/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/22/2010 |