| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/1/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/1/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/1/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/31/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/31/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/31/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/30/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/30/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/30/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/27/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/27/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/27/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/26/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/26/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/26/2012 |