| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/21/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/21/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/21/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/20/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/20/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/20/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/17/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/17/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/17/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/16/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/16/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/16/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/15/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/15/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/15/2011 |