| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/17/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/17/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/16/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/16/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/15/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/15/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/14/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/14/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/13/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/13/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/10/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/10/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/9/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/9/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/8/2013 |