| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 590.0 | USD | 20210101 |
| Unknown | China national standards | MT | 20.0 | USD | 20210101 |
| Unknown | China national standards | MT | 480.0 | USD | 20210101 |
| Unknown | China national standards | MT | 280.0 | USD | 20210101 |
| Unknown | China national standards | MT | 60.0 | USD | 20210101 |
| Unknown | China national standards | MT | 30.0 | USD | 20210101 |
| Unknown | China national standards | MT | 20.0 | USD | 20210101 |
| Unknown | China national standards | MT | 20.0 | USD | 20210101 |
| Unknown | China national standards | MT | 20.0 | USD | 20201222 |
| Unknown | China national standards | MT | 100.0 | USD | 20201221 |