| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1740.0 | USD | 20210221 |
| Unknown | China national standards | MT | 14050.0 | USD | 20210220 |
| Unknown | China national standards | MT | 2170.0 | USD | 20210220 |
| Unknown | China national standards | MT | 38280.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1300.0 | USD | 20210218 |
| Unknown | China national standards | MT | 1300.0 | USD | 20210216 |
| Unknown | China national standards | MT | 38420.0 | USD | 20210214 |
| Unknown | China national standards | MT | 2170.0 | USD | 20210213 |
| Unknown | China national standards | MT | 8450.0 | USD | 20210213 |
| Unknown | China national standards | MT | 5920.0 | USD | 20210213 |