| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/27/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/27/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/26/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/26/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/26/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/25/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/25/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/25/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/24/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/24/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/24/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/21/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/21/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/21/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/20/2017 |