| · | [Tungsten]Ferrotungsten in USA Market | 12/16/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/16/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/16/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 12/16/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 12/14/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/14/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/14/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 12/14/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 12/12/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/12/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/12/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 12/12/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 12/9/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/9/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/9/2011 |