| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 120.0 | USD | 20200619 |
| Unknown | China national standards | MT | 80.0 | USD | 20200618 |
| Unknown | China national standards | MT | 100.0 | USD | 20200613 |
| Unknown | China national standards | MT | 120.0 | USD | 20200612 |
| Unknown | China national standards | MT | 100.0 | USD | 20200611 |
| Unknown | China national standards | MT | 90.0 | USD | 20200601 |
| Unknown | China national standards | MT | 80.0 | USD | 20200601 |
| Unknown | China national standards | MT | 90.0 | USD | 20200601 |
| Unknown | China national standards | MT | 700.0 | USD | 20200523 |
| Unknown | China national standards | MT | 750.0 | USD | 20200523 |