| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/4/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/3/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/3/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/3/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/2/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/2/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/2/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 9/1/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 9/1/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 9/1/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/31/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/31/2020 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/31/2020 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/28/2020 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/28/2020 |