| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3730.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3980.0 | USD | 20190823 |
| Unknown | China national standards | MT | 3480.0 | USD | 20190823 |
| Unknown | China national standards | MT | 3860.0 | USD | 20190822 |
| Unknown | China national standards | MT | 580.0 | USD | 20190821 |
| Unknown | China national standards | MT | 3990.0 | USD | 20190820 |
| Unknown | China national standards | MT | 530.0 | USD | 20190819 |
| Unknown | China national standards | MT | 3640.0 | USD | 20190819 |
| Unknown | China national standards | MT | 3490.0 | USD | 20190819 |
| Unknown | China national standards | MT | 580.0 | USD | 20190818 |