| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/19/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/19/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/19/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/18/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/18/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/18/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/17/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/17/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/17/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/16/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/16/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/16/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/15/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/15/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/15/2011 |