| · | [Tungsten]Ferrotungsten in USA Market | 6/6/2008 |
| · | [Tungsten]Ferrotungsten in USA Market | 6/3/2008 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/9/2008 |
| · | [Tungsten]Ferrotungsten in USA Market | 5/6/2008 |
| · | [Tungsten]Ferrotungsten in USA Market | 3/21/2008 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/18/2007 |
| · | [Tungsten]Ferrotungsten in EU Market | 9/14/2007 |