| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/31/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/30/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/30/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/27/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/27/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/26/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/26/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/25/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/25/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/24/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/24/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/23/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/23/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/20/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/20/2011 |