| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 24480.0 | USD | 20210121 |
| Unknown | China national standards | MT | 3780.0 | USD | 20210120 |
| Unknown | China national standards | MT | 22280.0 | USD | 20210119 |
| Unknown | China national standards | MT | 3670.0 | USD | 20210118 |
| Unknown | China national standards | MT | 24780.0 | USD | 20210116 |
| Unknown | China national standards | MT | 3770.0 | USD | 20210116 |
| Unknown | China national standards | MT | 3770.0 | USD | 20210114 |
| Unknown | China national standards | MT | 24080.0 | USD | 20210112 |
| Unknown | China national standards | MT | 22340.0 | USD | 20210110 |
| Unknown | China national standards | MT | 3790.0 | USD | 20210110 |