| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/10/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/10/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/10/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/9/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/9/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/9/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/8/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/8/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/8/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/7/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/7/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/7/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/3/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/3/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/3/2011 |