| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/1/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/30/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/27/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/26/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/25/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/19/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/17/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/13/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/12/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/11/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/10/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/5/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/27/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/26/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/23/2009 |