| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20210101 |
| Unknown | China national standards | MT | 40.0 | USD | 20210101 |
| Unknown | China national standards | MT | 90.0 | USD | 20201223 |
| Unknown | China national standards | MT | 1930.0 | USD | 20201223 |
| Unknown | China national standards | MT | 930.0 | USD | 20201223 |
| Unknown | China national standards | MT | 920.0 | USD | 20201223 |
| Unknown | China national standards | MT | 120.0 | USD | 20201223 |
| Unknown | China national standards | MT | 230.0 | USD | 20201223 |
| Unknown | China national standards | MT | 590.0 | USD | 20201223 |
| Unknown | China national standards | MT | 560.0 | USD | 20201222 |