| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/20/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/20/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/19/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/19/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/19/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/18/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/18/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/18/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/17/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/17/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/17/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/14/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/14/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/14/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/13/2017 |