| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 6/8/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 6/2/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 6/2/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 5/31/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/31/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 5/27/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/27/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate powder/Mn ore in China | 5/25/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/19/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/17/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate powder/Mn ore in China | 5/13/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/13/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/10/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 5/4/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate powder/Mn ore in China | 4/30/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/29/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate powder/Mn ore in China | 4/27/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/27/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 4/26/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/23/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/20/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 4/19/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 4/14/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/12/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/9/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 4/7/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 4/2/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 3/31/2010 |
| ， | [Manganese]Market Price of 17% Manganese carbonate ore/Mn ore in China | 3/26/2010 |
| ， | [Manganese]Market Price of 30% Manganese oxide ore/Mn ore in China | 3/25/2010 |