| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/31/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/31/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/31/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/30/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/30/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/30/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/29/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/29/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/29/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/28/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/28/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/28/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/27/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/27/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/27/2012 |