| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1360.0 | USD | 20210221 |
| Unknown | China national standards | MT | 770.0 | USD | 20210221 |
| Unknown | China national standards | MT | 270.0 | USD | 20210220 |
| Unknown | China national standards | MT | 240.0 | USD | 20210220 |
| Unknown | China national standards | MT | 2170.0 | USD | 20210219 |
| Unknown | China national standards | MT | 200.0 | USD | 20210217 |
| Unknown | China national standards | MT | 210.0 | USD | 20210216 |
| Unknown | China national standards | MT | 210.0 | USD | 20210216 |
| Unknown | China national standards | MT | 3730.0 | USD | 20210215 |
| Unknown | China national standards | MT | 1320.0 | USD | 20210214 |