| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/4/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/4/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/4/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/3/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/3/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/3/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/2/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/2/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/2/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/29/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/29/2017 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/28/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/28/2017 |