| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/18/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/17/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/17/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/17/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/16/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/16/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/16/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/15/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/15/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/15/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/14/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/14/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/14/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/11/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/11/2020 |