| · | [Tungsten]Ferrotungsten in USA Market | 3/11/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/11/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/11/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/11/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/8/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/8/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/8/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/8/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/6/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/6/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/6/2013 |
| · | [Tungsten]Ammonium Paratungstate in EU Market | 3/6/2013 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/4/2013 |
| · | [Tungsten]Ammonium Paratungstate in USA Market | 3/4/2013 |
| · | [Tungsten]Ferrotungsten in EU Market | 3/1/2013 |