| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 3/23/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 3/20/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 3/20/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 3/20/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 3/20/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 3/19/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 3/19/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 3/19/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 3/19/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 3/18/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 3/18/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 3/18/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 3/18/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 3/17/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 3/17/2015 |