| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/22/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/22/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/21/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/21/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/18/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/18/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/17/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/17/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/16/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/16/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/15/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/15/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/14/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/14/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/11/2012 |