| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/12/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 10/11/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 10/11/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 3/1/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/1/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 3/1/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 2/28/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 2/28/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 2/28/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 2/27/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 2/27/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 2/27/2018 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 2/26/2018 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 2/26/2018 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 2/26/2018 |