| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2240.0 | USD | 20210123 |
| Unknown | China national standards | MT | 2130.0 | USD | 20210122 |
| Unknown | China national standards | MT | 2040.0 | USD | 20210121 |
| Unknown | China national standards | MT | 2050.0 | USD | 20210121 |
| Unknown | China national standards | MT | 13370.0 | USD | 20210121 |
| Unknown | China national standards | MT | 2050.0 | USD | 20210118 |
| Unknown | China national standards | MT | 13380.0 | USD | 20210116 |
| Unknown | China national standards | MT | 2130.0 | USD | 20210115 |
| Unknown | China national standards | MT | 13440.0 | USD | 20210114 |
| Unknown | China national standards | MT | 13900.0 | USD | 20210113 |