| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/18/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/17/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/16/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/15/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/12/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/11/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/10/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/9/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/8/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/6/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/3/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/2/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 4/1/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/29/2013 |
| · | [Tungsten]Market Price of Ferrotungsten70% in China | 3/28/2013 |