| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/28/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/28/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/28/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/27/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/27/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/27/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/26/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/26/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/26/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/25/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/25/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/25/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/22/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/22/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/22/2017 |