| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/1/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/1/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/31/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/31/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/31/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/30/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/30/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/30/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/27/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/27/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/27/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/26/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/26/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/26/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/25/2009 |