| · | [Tungsten]Market Price of Tungsten Concentrates in China | 8/1/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 8/1/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 8/1/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/31/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/31/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/31/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/30/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/30/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/30/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/29/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/29/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/29/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 7/26/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 7/26/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 7/26/2013 |