| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/4/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/30/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/29/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/28/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/27/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/24/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/23/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/22/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/21/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/20/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/17/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/16/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/15/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/14/2009 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/13/2009 |