| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/11/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/7/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/3/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/8/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/19/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/5/2008 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/25/2008 |