| · | [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 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/11/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/10/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/10/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/9/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/9/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/6/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/6/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/5/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/5/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/31/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/31/2012 |