| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/18/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/18/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/18/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/15/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/15/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/15/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/14/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/14/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/14/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/13/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/13/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/13/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/12/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/12/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/12/2017 |