| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/21/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/20/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/20/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/20/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/19/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/19/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/19/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/18/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/18/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/18/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/17/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/17/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/17/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/14/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/14/2020 |