| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/13/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/13/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/13/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/10/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/10/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/10/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/9/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/9/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/9/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/8/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/8/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/8/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/7/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/7/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/7/2015 |