| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/31/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/31/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/30/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/30/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/29/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/29/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/28/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/28/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/27/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/27/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/24/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/24/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/23/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 5/23/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 5/22/2013 |