| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 14300.0 | USD | 20180801 |
| Unknown | China national standards | MT | 1030.0 | USD | 20180801 |
| Unknown | China national standards | MT | 150.0 | USD | 20180720 |
| Unknown | China national standards | MT | 1020.0 | USD | 20180719 |
| Unknown | China national standards | MT | 160.0 | USD | 20180701 |
| Unknown | China national standards | MT | 1030.0 | USD | 20180701 |
| Unknown | China national standards | MT | 6300.0 | USD | 20180622 |
| Unknown | China national standards | MT | 6310.0 | USD | 20180621 |
| Unknown | China national standards | MT | 1000.0 | USD | 20180611 |
| Unknown | China national standards | MT | 1000.0 | USD | 20180601 |