| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1470.0 | USD | 20210216 |
| Unknown | China national standards | MT | 1160.0 | USD | 20210215 |
| Unknown | China national standards | MT | 180.0 | USD | 20210214 |
| Unknown | China national standards | MT | 180.0 | USD | 20210213 |
| Unknown | China national standards | MT | 200.0 | USD | 20210212 |
| Unknown | China national standards | MT | 1290.0 | USD | 20210212 |
| Unknown | China national standards | MT | 1150.0 | USD | 20210201 |
| Unknown | China national standards | MT | 220.0 | USD | 20210201 |
| Unknown | China national standards | MT | 1460.0 | USD | 20210201 |
| Unknown | China national standards | MT | 1470.0 | USD | 20210201 |