| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/22/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/21/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/16/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/14/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/12/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/9/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/7/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/6/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/2/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/31/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/26/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/24/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/22/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/19/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/17/2010 |