| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/3/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/3/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/3/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/2/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/2/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/2/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/1/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/1/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/1/2011 |
| · | [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 |