| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20850.0 | USD | 20210116 |
| Unknown | China national standards | MT | 20010.0 | USD | 20210115 |
| Unknown | China national standards | MT | 19280.0 | USD | 20210114 |
| Unknown | China national standards | MT | 3180.0 | USD | 20210113 |
| Unknown | China national standards | MT | 3040.0 | USD | 20210113 |
| Unknown | China national standards | MT | 3070.0 | USD | 20210113 |
| Unknown | China national standards | MT | 19810.0 | USD | 20210112 |
| Unknown | China national standards | MT | 20060.0 | USD | 20210112 |
| Unknown | China national standards | MT | 3170.0 | USD | 20210111 |
| Unknown | China national standards | MT | 3170.0 | USD | 20210110 |