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| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/16/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/15/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/15/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/14/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/14/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/13/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/13/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/12/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/12/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/9/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/9/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/8/2017 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/8/2017 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/7/2017 |