| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/22/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/22/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/22/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/21/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/21/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/21/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/20/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/20/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/20/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/19/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/19/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/19/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/16/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/16/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/16/2012 |