| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/29/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/29/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/29/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/28/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/28/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/28/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/27/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/27/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/27/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/24/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/24/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/24/2015 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/23/2015 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/23/2015 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/23/2015 |