| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/30/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/29/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/29/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/29/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/28/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/28/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/28/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/25/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/25/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/25/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/24/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/24/2021 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/24/2021 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/23/2021 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/23/2021 |