| · | [Niobium]Market Price of Ferroniobium70 in China | 5/13/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/13/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/13/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/13/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/12/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/12/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/12/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/12/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/11/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/11/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/11/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 5/11/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 5/8/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 5/8/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 5/8/2015 |