| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1340.0 | USD | 20180801 |
| Unknown | China national standards | MT | 1420.0 | USD | 20180801 |
| Unknown | China national standards | MT | 1450.0 | USD | 20180720 |
| Unknown | China national standards | MT | 210.0 | USD | 20180717 |
| Unknown | China national standards | MT | 1340.0 | USD | 20180717 |
| Unknown | China national standards | MT | 210.0 | USD | 20180716 |
| Unknown | China national standards | MT | 1350.0 | USD | 20180714 |
| Unknown | China national standards | MT | 1480.0 | USD | 20180710 |
| Unknown | China national standards | MT | 230.0 | USD | 20180701 |
| Unknown | China national standards | MT | 230.0 | USD | 20180701 |