| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/25/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/25/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/22/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/22/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/22/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/22/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/21/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/21/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/21/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/21/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/20/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/20/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/20/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/20/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/19/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/19/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/19/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/19/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/18/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/18/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/18/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/18/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/15/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/15/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/15/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/15/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/14/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/14/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/14/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/14/2015 |