| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/9/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/9/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/9/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/8/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/8/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/6/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/6/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/3/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/3/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/3/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/2/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/2/2013 |
| · | [Tungsten]Market Price of AmmoniumParatungstate in China | 4/2/2013 |
| · | [Tungsten]Market Price of Tungsten Concentrates in China | 4/1/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/1/2013 |