| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20210222 |
| Unknown | China national standards | MT | 720.0 | USD | 20210222 |
| Unknown | China national standards | MT | 90.0 | USD | 20210221 |
| Unknown | China national standards | MT | 1540.0 | USD | 20210220 |
| Unknown | China national standards | MT | 150.0 | USD | 20210220 |
| Unknown | China national standards | MT | 760.0 | USD | 20210219 |
| Unknown | China national standards | MT | 110.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1540.0 | USD | 20210218 |
| Unknown | China national standards | MT | 240.0 | USD | 20210217 |
| Unknown | China national standards | MT | 600.0 | USD | 20210217 |