| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/30/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/27/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/27/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/25/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/25/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/25/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/25/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/23/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/23/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/23/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/23/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/20/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/20/2012 |