| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/18/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/15/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/15/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/15/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/14/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/14/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/14/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/13/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/13/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/13/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/12/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/12/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/12/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/11/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/11/2013 |