| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/4/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/4/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/4/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/3/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/3/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/3/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/2/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 12/2/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 12/2/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/29/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/29/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/29/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/28/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/28/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/28/2019 |