| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 600.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 110.0 | USD | 20210101 |
| Unknown | China national standards | MT | 590.0 | USD | 20201223 |
| Unknown | China national standards | MT | 137399.98 | USD | 20201222 |