| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/1/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/30/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/30/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/30/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/29/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/29/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/29/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/28/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/28/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/28/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/25/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/25/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/25/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/24/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/24/2010 |