| · | [Tungsten]Ammonium Paratungstate in EU Market | 9/3/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 8/31/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 8/31/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 8/31/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 8/31/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 8/29/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 8/29/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 8/29/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 8/29/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 8/27/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 8/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 8/27/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 8/27/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 8/24/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 8/24/2012 |