| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/6/2017 |
| · | [Tungsten]Ferrotungsten in USA Market | 4/5/2017 |
| · | [Tungsten]Ferrotungsten in EU Market | 4/5/2017 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 4/5/2017 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/31/2017 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/31/2017 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/31/2017 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/31/2017 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/30/2017 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/30/2017 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/30/2017 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/30/2017 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/29/2017 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/29/2017 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/29/2017 |