| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/10/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/10/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/9/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/9/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/9/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/8/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/8/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/8/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/7/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/7/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/7/2011 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/4/2011 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/4/2011 |
| · | [Tungsten]Market Price of Ferrotungsten80-A in China | 3/4/2011 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/4/2011 |