| · | [Tungsten]Ferrotungsten in USA Market | 5/14/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/14/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/14/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/14/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/11/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/11/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/11/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/11/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/9/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/9/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/9/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/9/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/7/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/7/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/7/2012 |