| · | [Tungsten]Ferrotungsten in EU Market | 6/1/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 6/1/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 6/1/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/29/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/29/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/29/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/29/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/28/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/28/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/28/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/28/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/27/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/27/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/27/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/27/2015 |