| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 490.0 | USD | 20210222 |
| Unknown | China national standards | MT | 140.0 | USD | 20210221 |
| Unknown | China national standards | MT | 120.0 | USD | 20210221 |
| Unknown | China national standards | MT | 150.0 | USD | 20210221 |
| Unknown | China national standards | MT | 140.0 | USD | 20210221 |
| Unknown | China national standards | MT | 780.0 | USD | 20210220 |
| Unknown | China national standards | MT | 460.0 | USD | 20210219 |
| Unknown | China national standards | MT | 70.0 | USD | 20210219 |
| Unknown | China national standards | MT | 80.0 | USD | 20210217 |
| Unknown | China national standards | MT | 510.0 | USD | 20210217 |