| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/10/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/9/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/8/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/7/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/4/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/3/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/2/2009 |
| · | [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 |