| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/19/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/19/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/19/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/18/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/18/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/18/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/15/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/15/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/15/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/14/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/14/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/14/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/13/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/13/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/13/2011 |