| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/27/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/27/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/27/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/26/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/26/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/26/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/25/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/25/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/25/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/22/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/22/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/22/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/21/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/21/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/21/2017 |