| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/29/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/29/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/27/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/27/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/27/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/27/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/24/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/24/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/24/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/21/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/21/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/21/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/17/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/17/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/17/2009 |