| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/7/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/6/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/6/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/6/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/5/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/5/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/5/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/4/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/4/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/4/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/30/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/30/2009 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/30/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/29/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/29/2009 |