| · | [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 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/22/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/22/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/21/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/14/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/12/2010 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/12/2010 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/8/2010 |