| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/29/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/29/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/29/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/28/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/28/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/28/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/27/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/27/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/27/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/26/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/26/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/26/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/25/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/25/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/25/2011 |