| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/27/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/24/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/24/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/24/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/23/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/23/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/23/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/22/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/22/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/22/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/21/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/21/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/21/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/20/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/20/2011 |