| · | [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 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/31/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/31/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/30/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/26/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/26/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/26/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/25/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/24/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/24/2010 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/24/2010 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/22/2010 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/22/2010 |