| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/28/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/28/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/27/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/27/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/26/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/26/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/25/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/25/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/24/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/24/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/23/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/23/2012 |
| · | [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 |