| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/3/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/3/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/2/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/2/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 4/1/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/1/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/29/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/29/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/28/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/28/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/27/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/27/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/26/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 3/26/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 3/25/2013 |