| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 80.0 | USD | 20210101 |
| Unknown | China national standards | MT | 130.0 | USD | 20201223 |
| Unknown | China national standards | MT | 100.0 | USD | 20201222 |
| Unknown | China national standards | MT | 120.0 | USD | 20201221 |
| Unknown | China national standards | MT | 120.0 | USD | 20201221 |
| Unknown | China national standards | MT | 120.0 | USD | 20201220 |
| Unknown | China national standards | MT | 880.0 | USD | 20201220 |
| Unknown | China national standards | MT | 810.0 | USD | 20201217 |
| Unknown | China national standards | MT | 700.0 | USD | 20201217 |
| Unknown | China national standards | MT | 660.0 | USD | 20201216 |