| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/8/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/8/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/4/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/4/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/4/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/4/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/29/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/29/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/29/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/29/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/27/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/27/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 4/27/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/27/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/24/2015 |