| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/1/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/1/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/1/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/31/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/31/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/31/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/30/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/30/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/30/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/29/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/29/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/29/2012 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/26/2012 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/26/2012 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/26/2012 |