| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 190.0 | USD | 20210301 |
| Unknown | China national standards | MT | 30.0 | USD | 20210301 |
| Unknown | China national standards | MT | 90.0 | USD | 20210223 |
| Unknown | China national standards | MT | 90.0 | USD | 20210222 |
| Unknown | China national standards | MT | 420.0 | USD | 20210222 |
| Unknown | China national standards | MT | 40.0 | USD | 20210221 |
| Unknown | China national standards | MT | 30.0 | USD | 20210221 |
| Unknown | China national standards | MT | 480.0 | USD | 20210221 |
| Unknown | China national standards | MT | 180.0 | USD | 20210221 |
| Unknown | China national standards | MT | 250.0 | USD | 20210221 |