| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 8/1/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 8/1/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/29/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/29/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/28/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/28/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/27/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/27/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/26/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/26/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/25/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/25/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/22/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 7/22/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 7/21/2011 |