| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/21/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/21/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/21/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/20/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/20/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/20/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/19/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/19/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/19/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/18/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/18/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/18/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/15/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/15/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/15/2012 |