| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2380.0 | USD | 20210123 |
| Unknown | China national standards | MT | 1700.0 | USD | 20210122 |
| Unknown | China national standards | MT | 2225.8 | USD | 20210121 |
| Unknown | China national standards | MT | 260.0 | USD | 20210120 |
| Unknown | China national standards | MT | 1643.7 | USD | 20210120 |
| Unknown | China national standards | MT | 1750.0 | USD | 20210119 |
| Unknown | China national standards | MT | 280.0 | USD | 20210117 |
| Unknown | China national standards | MT | 1815.24 | USD | 20210116 |
| Unknown | China national standards | MT | 270.0 | USD | 20210115 |
| Unknown | China national standards | MT | 290.0 | USD | 20210114 |