| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/25/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/25/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/25/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/24/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/24/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/24/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/21/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/21/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/21/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/20/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/20/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/20/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/19/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/19/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/18/2011 |