| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 750.0 | USD | 20210219 |
| Unknown | China national standards | MT | 140.0 | USD | 20210219 |
| Unknown | China national standards | MT | 750.0 | USD | 20210217 |
| Unknown | China national standards | MT | 140.0 | USD | 20210217 |
| Unknown | China national standards | MT | 110.0 | USD | 20210215 |
| Unknown | China national standards | MT | 150.0 | USD | 20210214 |
| Unknown | China national standards | MT | 130.0 | USD | 20210214 |
| Unknown | China national standards | MT | 960.0 | USD | 20210213 |
| Unknown | China national standards | MT | 150.0 | USD | 20210213 |
| Unknown | China national standards | MT | 110.0 | USD | 20210212 |