| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1650.0 | USD | 20180801 |
| Unknown | China national standards | MT | 260.0 | USD | 20180722 |
| Unknown | China national standards | MT | 260.0 | USD | 20180721 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180720 |
| Unknown | China national standards | MT | 240.0 | USD | 20180720 |
| Unknown | China national standards | MT | 1670.0 | USD | 20180719 |
| Unknown | China national standards | MT | 1770.0 | USD | 20180718 |
| Unknown | China national standards | MT | 1600.0 | USD | 20180716 |
| Unknown | China national standards | MT | 240.0 | USD | 20180714 |
| Unknown | China national standards | MT | 1560.0 | USD | 20180712 |