| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3360.0 | USD | 20210221 |
| Unknown | China national standards | MT | 3020.0 | USD | 20210221 |
| Unknown | China national standards | MT | 3040.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1530.0 | USD | 20210218 |
| Unknown | China national standards | MT | 520.0 | USD | 20210218 |
| Unknown | China national standards | MT | 470.0 | USD | 20210217 |
| Unknown | China national standards | MT | 520.0 | USD | 20210216 |
| Unknown | China national standards | MT | 2990.0 | USD | 20210215 |
| Unknown | China national standards | MT | 3030.0 | USD | 20210215 |
| Unknown | China national standards | MT | 410.0 | USD | 20210214 |