| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/18/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/18/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/17/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/17/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/17/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/16/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/16/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/16/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/15/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/15/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/15/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/14/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/14/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/14/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/11/2013 |