| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/20/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/20/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/20/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/18/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/18/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/18/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/15/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/15/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/15/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/14/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/14/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/14/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/13/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/11/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/11/2009 |