| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/28/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/28/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/28/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/27/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/27/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/27/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/26/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/26/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/26/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/25/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/25/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/25/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/21/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/21/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/21/2012 |