| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1000.0 | USD | 20210223 |
| Unknown | China national standards | MT | 6740.0 | USD | 20210222 |
| Unknown | China national standards | MT | 6470.0 | USD | 20210219 |
| Unknown | China national standards | MT | 5510.0 | USD | 20210218 |
| Unknown | China national standards | MT | 6540.0 | USD | 20210218 |
| Unknown | China national standards | MT | 1030.0 | USD | 20210217 |
| Unknown | China national standards | MT | 1000.0 | USD | 20210216 |
| Unknown | China national standards | MT | 840.0 | USD | 20210216 |
| Unknown | China national standards | MT | 1190.0 | USD | 20210216 |
| Unknown | China national standards | MT | 5530.0 | USD | 20210212 |