| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 2/1/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/31/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/31/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/30/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/30/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/29/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/29/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/28/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/28/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/25/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/25/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/24/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/24/2013 |
| · | [Tungsten]Export Price of Ferrotungsten80-A in China | 1/23/2013 |
| · | [Tungsten]Export Price of AmmoniumParatungstate in China | 1/23/2013 |