| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/8/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/8/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/7/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/7/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/6/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/6/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/5/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/5/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/2/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/2/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/1/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/1/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 2/29/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 2/29/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 2/28/2012 |