| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/6/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/6/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/6/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/5/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/5/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/5/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/4/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/4/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/4/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/30/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/30/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/30/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/29/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/29/2011 |