| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/14/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/9/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/9/2010 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/9/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/9/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/7/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/7/2010 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/7/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/7/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/1/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/30/2010 |
| · | [Tungsten]Ferrotungsten in EU Market | 6/30/2010 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/30/2010 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 6/30/2010 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/28/2010 |