| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/8/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/31/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/30/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/25/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/24/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/23/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/22/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/18/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/17/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/16/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/15/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/14/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/11/2009 |