| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/23/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/23/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/23/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/22/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/22/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/21/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/21/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/21/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/19/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/16/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/16/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/15/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/14/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/14/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/13/2010 |