| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/25/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/24/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/24/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/24/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/23/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/23/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/23/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/22/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/22/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/22/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/21/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/21/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/21/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/18/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/18/2020 |