| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/26/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/26/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/26/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/25/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/25/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/25/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/24/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/24/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/24/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/23/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/23/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/23/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/22/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/22/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/22/2013 |