| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/18/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/18/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/18/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/15/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/15/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/15/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/14/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/14/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/14/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/13/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/13/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/13/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/12/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/12/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/12/2015 |