| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/4/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/4/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/28/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/28/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/27/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/27/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/27/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/26/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/26/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/26/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/25/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/25/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/25/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/24/2012 |