| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/29/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/29/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/28/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/28/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/25/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/25/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/23/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/23/2012 |
| · | [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 |