| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/15/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/15/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/13/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/13/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/13/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/10/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/10/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/10/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/10/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/8/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/8/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/8/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/8/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/6/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/6/2013 |