| · | [Tungsten]Ferrotungsten in EU Market | 3/12/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/12/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/12/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/11/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/11/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/11/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/11/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/10/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/10/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/9/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/9/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/9/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/9/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/7/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/7/2011 |