| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1570.0 | USD | 20180819 |
| Unknown | China national standards | MT | 240.0 | USD | 20180818 |
| Unknown | China national standards | MT | 250.0 | USD | 20180817 |
| Unknown | China national standards | MT | 1640.0 | USD | 20180816 |
| Unknown | China national standards | MT | 1830.0 | USD | 20180814 |
| Unknown | China national standards | MT | 240.0 | USD | 20180813 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180810 |
| Unknown | China national standards | MT | 260.0 | USD | 20180801 |
| Unknown | China national standards | MT | 1580.0 | USD | 20180801 |
| Unknown | China national standards | MT | 260.0 | USD | 20180801 |