| · | [Tungsten]Ferrotungsten in EU Market | 7/2/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/2/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/2/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/29/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/29/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/29/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 6/29/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/27/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 6/27/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/25/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/25/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/25/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 6/25/2012 |