| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/14/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/13/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/13/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/13/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/13/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/10/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/10/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/10/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/10/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/9/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/9/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/9/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/9/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/8/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/8/2015 |