| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/8/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/7/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/7/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/7/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/6/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/6/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/6/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/5/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/5/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/5/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/4/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/4/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/4/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/31/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/31/2020 |