| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/15/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/13/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/13/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/13/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/13/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/7/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/7/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/3/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/3/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/30/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/30/2009 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/30/2009 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/30/2009 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/27/2009 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/27/2009 |