| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/4/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/4/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/3/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/3/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/29/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/29/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/28/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/28/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/27/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/27/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/26/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/26/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/25/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/25/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/22/2011 |