| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/31/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/31/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/28/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/28/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/27/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/27/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/26/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/26/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/25/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/25/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/24/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/24/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/21/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/21/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/20/2017 |