| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/18/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/17/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/17/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/17/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/16/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/16/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/16/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/15/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/15/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/15/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/12/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/12/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/12/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/11/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/11/2020 |