| · | [Tungsten]Ammonium Paratungstate in EU Market | 9/14/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 9/12/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/12/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 9/12/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 9/12/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 9/10/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/10/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 9/10/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 9/10/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 9/7/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/7/2012 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 9/7/2012 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 9/7/2012 |
| · | [Tungsten]Ferrotungsten in USA Market | 9/3/2012 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/3/2012 |