| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/16/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/16/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/16/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/15/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/15/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/15/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/12/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/12/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/12/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/11/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/11/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/11/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/10/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/10/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/10/2013 |