| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8680.0 | USD | 20210120 |
| Unknown | China national standards | MT | 8890.0 | USD | 20210115 |
| Unknown | China national standards | MT | 8710.0 | USD | 20210115 |
| Unknown | China national standards | MT | 57970.0 | USD | 20210114 |
| Unknown | China national standards | MT | 56920.0 | USD | 20210114 |
| Unknown | China national standards | MT | 8800.0 | USD | 20210101 |
| Unknown | China national standards | MT | 61460.0 | USD | 20201223 |
| Unknown | China national standards | MT | 58810.0 | USD | 20201222 |
| Unknown | China national standards | MT | 58810.0 | USD | 20201222 |
| Unknown | China national standards | MT | 54760.0 | USD | 20201221 |