| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/20/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/20/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/19/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/19/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/18/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/18/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/17/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/17/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/16/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/16/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/13/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/13/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/12/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/12/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/11/2012 |