| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7470.0 | USD | 20210201 |
| Unknown | China national standards | MT | 7060.0 | USD | 20210201 |
| Unknown | China national standards | MT | 7110.0 | USD | 20210122 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210120 |
| Unknown | China national standards | MT | 1210.0 | USD | 20210119 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210117 |
| Unknown | China national standards | MT | 8190.0 | USD | 20210116 |
| Unknown | China national standards | MT | 1210.0 | USD | 20210115 |
| Unknown | China national standards | MT | 1250.0 | USD | 20210115 |
| Unknown | China national standards | MT | 7380.0 | USD | 20210113 |