| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20210121 |
| Unknown | China national standards | MT | 90.0 | USD | 20210121 |
| Unknown | China national standards | MT | 110.0 | USD | 20210119 |
| Unknown | China national standards | MT | 610.0 | USD | 20210116 |
| Unknown | China national standards | MT | 710.0 | USD | 20210116 |
| Unknown | China national standards | MT | 600.0 | USD | 20210116 |
| Unknown | China national standards | MT | 610.0 | USD | 20210116 |
| Unknown | China national standards | MT | 600.0 | USD | 20210115 |
| Unknown | China national standards | MT | 90.0 | USD | 20210114 |
| Unknown | China national standards | MT | 90.0 | USD | 20210114 |