| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/12/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/12/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/9/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/9/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/9/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/8/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/7/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/7/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/6/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/6/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/6/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/2/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/2/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/1/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/31/2010 |