| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/10/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/10/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/10/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/9/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/9/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/9/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/8/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/8/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/8/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/30/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/30/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/30/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/29/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/29/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/29/2011 |