| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/6/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/5/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/5/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/5/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/4/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/4/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/4/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 6/3/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 6/3/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 6/3/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/31/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/31/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 5/31/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 5/30/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 5/30/2013 |