| · | [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 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/6/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/6/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/5/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/5/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/5/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/4/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/4/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/4/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 11/1/2019 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 11/1/2019 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 11/1/2019 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 10/31/2019 |