| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/19/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/16/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/16/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/16/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/15/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/15/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/15/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/14/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/14/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/14/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/13/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/13/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/13/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/12/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/12/2021 |