| · | [Tungsten]Ammonium Paratungstate in USA Market | 1/5/2016 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 1/5/2016 |
| · | [Tungsten]Ferrotungsten in USA Market | 1/4/2016 |
| · | [Tungsten]Ferrotungsten in EU Market | 1/4/2016 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 1/4/2016 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 1/4/2016 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 1/3/2016 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 1/3/2016 |
| · | [Tungsten]Ferrotungsten in USA Market | 12/31/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/31/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/31/2015 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 12/31/2015 |
| · | [Tungsten]Ferrotungsten in USA Market | 12/30/2015 |
| · | [Tungsten]Ferrotungsten in EU Market | 12/30/2015 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 12/30/2015 |