| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/22/2016 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/22/2016 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/21/2016 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/21/2016 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/21/2016 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/20/2016 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/20/2016 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/20/2016 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/19/2016 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/19/2016 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/19/2016 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/18/2016 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/18/2016 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/18/2016 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/15/2016 |