| · | [Tungsten]Ferrotungsten in USA Market | 3/16/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/16/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/16/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/16/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/14/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/14/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/14/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/14/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/12/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/12/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/12/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/12/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/9/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/9/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/9/2012 |