| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/30/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/29/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/29/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/28/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/28/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/27/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/27/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/24/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/24/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/23/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/23/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/22/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/22/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/21/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/21/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/20/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/20/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/17/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/17/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/16/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/15/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/15/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/14/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/13/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/10/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/8/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/7/2009 |
| ， | [Tungsten]Export Price of AmmoniumParatungstate in China | 4/7/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/3/2009 |
| ， | [Tungsten]Export Price of Ferrotungsten70% in China | 4/2/2009 |