| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/14/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/14/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/13/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/13/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/13/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/12/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/12/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/12/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/11/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/11/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/11/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/10/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/10/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/10/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/7/2012 |