| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/13/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/13/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/12/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/12/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/12/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/11/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/11/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/11/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/8/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/8/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/8/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/7/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/7/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/7/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/6/2019 |