| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/8/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/8/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/7/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/7/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/7/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/7/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/3/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/3/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/3/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/3/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/2/2015 |
| · | [Niobium]Market Price of Ferroniobium60A in China | 4/2/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（bulk） in China | 4/2/2015 |
| · | [Niobium]Market Price of Brazil ferroniobium/FeNb65（original） in China | 4/2/2015 |
| · | [Niobium]Market Price of Ferroniobium70 in China | 4/1/2015 |