| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/7/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/7/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/6/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/6/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/6/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/5/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/5/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/5/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/4/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/4/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/4/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/3/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/3/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/3/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/30/2012 |