| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/6/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/6/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/3/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/3/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/3/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/3/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/27/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/27/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/27/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/27/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/26/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/26/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/26/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/26/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/24/2013 |