| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/4/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/1/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/1/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/1/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/30/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/30/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/30/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/29/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/29/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/29/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/28/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/28/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/28/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/27/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/27/2011 |