| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/12/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/12/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/11/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/11/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/9/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/9/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/6/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/6/2011 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/5/2011 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/5/2011 |
| · | [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 |