| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/18/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/15/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/15/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/15/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/15/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/13/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/13/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/13/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/13/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/11/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/11/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 5/11/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 5/11/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/8/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 5/8/2015 |