| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 6/5/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 6/5/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 6/4/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 6/4/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 6/1/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 6/1/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/31/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/31/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/30/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/30/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/29/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/29/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/28/2012 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/28/2012 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/25/2012 |