| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1170.0 | USD | 20210223 |
| Unknown | China national standards | MT | 780.0 | USD | 20210222 |
| Unknown | China national standards | MT | 1280.0 | USD | 20210221 |
| Unknown | China national standards | MT | 190.0 | USD | 20210221 |
| Unknown | China national standards | MT | 1170.0 | USD | 20210221 |
| Unknown | China national standards | MT | 180.0 | USD | 20210220 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1150.0 | USD | 20210218 |
| Unknown | China national standards | MT | 200.0 | USD | 20210217 |
| Unknown | China national standards | MT | 780.0 | USD | 20210216 |