| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/30/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/30/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/29/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/29/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/29/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/28/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/28/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/28/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/27/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/27/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/27/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/24/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/24/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/24/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/23/2021 |