| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/8/2014 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/8/2014 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/7/2014 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/7/2014 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/7/2014 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/6/2014 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/6/2014 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/6/2014 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/3/2014 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/3/2014 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/3/2014 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 1/2/2014 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 1/2/2014 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 1/2/2014 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 12/31/2013 |