| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/1/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/31/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/31/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/31/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/30/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/30/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/30/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/27/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/27/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/27/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/26/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/26/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/26/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/25/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/25/2021 |