| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/9/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/8/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/28/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/27/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/26/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/25/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/24/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/21/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/20/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/19/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/18/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/17/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/14/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/13/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/12/2012 |