| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 11560.0 | USD | 20210223 |
| Unknown | China national standards | MT | 1780.0 | USD | 20210221 |
| Unknown | China national standards | MT | 11580.0 | USD | 20210213 |
| Unknown | China national standards | MT | 1780.0 | USD | 20210201 |
| Unknown | China national standards | MT | 10280.0 | USD | 20210122 |
| Unknown | China national standards | MT | 1560.0 | USD | 20210119 |
| Unknown | China national standards | MT | 10240.0 | USD | 20210118 |
| Unknown | China national standards | MT | 11220.0 | USD | 20210116 |
| Unknown | China national standards | MT | 5280.0 | USD | 20210116 |
| Unknown | China national standards | MT | 1710.0 | USD | 20210114 |