| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/21/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/20/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/17/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/14/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/13/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/12/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/10/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/7/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/6/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/5/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/4/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/31/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/30/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2010 |