| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/13/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/11/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/11/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/11/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/8/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/8/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/8/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/8/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/6/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/6/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/6/2011 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 7/6/2011 |
| · | [Tungsten]Ferrotungsten in USA Market | 7/4/2011 |
| · | [Tungsten]Ferrotungsten in EU Market | 7/4/2011 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 7/4/2011 |