| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/15/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/14/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/14/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/14/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/13/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/13/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/13/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/10/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/10/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/10/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/9/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/9/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/9/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/8/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/8/2021 |