| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/14/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/14/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/13/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/13/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/13/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/12/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/12/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/12/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/10/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/10/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/10/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/7/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/7/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/7/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/6/2011 |