| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 190.0 | USD | 20190801 |
| Unknown | China national standards | MT | 200.0 | USD | 20190801 |
| Unknown | China national standards | MT | 210.0 | USD | 20190801 |
| Unknown | China national standards | MT | 280.0 | USD | 20190723 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190723 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190722 |
| Unknown | China national standards | MT | 180.0 | USD | 20190722 |
| Unknown | China national standards | MT | 970.0 | USD | 20190722 |
| Unknown | China national standards | MT | 230.0 | USD | 20190721 |
| Unknown | China national standards | MT | 8540.0 | USD | 20190721 |