| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/29/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/28/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/28/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/27/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/27/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/26/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/26/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/22/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/22/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/21/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/21/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/20/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/20/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/19/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/19/2017 |