| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/5/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/5/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/4/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/4/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/30/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 12/30/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/29/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 12/29/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/28/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 12/28/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/27/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 12/27/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/26/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 12/26/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 12/23/2011 |