| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/5/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/4/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/31/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/31/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/30/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/30/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/29/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/28/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/25/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/25/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/24/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/24/2009 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/23/2009 |