| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/19/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/19/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/16/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/16/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/15/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/15/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/14/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/14/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/13/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/13/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/12/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/12/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/9/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/9/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/8/2012 |