| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2890.0 | USD | 20210119 |
| Unknown | China national standards | MT | 3400.36 | USD | 20210118 |
| Unknown | China national standards | MT | 1700.0 | USD | 20210118 |
| Unknown | China national standards | MT | 440.0 | USD | 20210116 |
| Unknown | China national standards | MT | 340.0 | USD | 20210115 |
| Unknown | China national standards | MT | 2086.96 | USD | 20210114 |
| Unknown | China national standards | MT | 2840.0 | USD | 20210113 |
| Unknown | China national standards | MT | 260.0 | USD | 20210113 |
| Unknown | China national standards | MT | 440.0 | USD | 20210112 |
| Unknown | China national standards | MT | 3630.0 | USD | 20210110 |