| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20210201 |
| Unknown | China national standards | MT | 170.0 | USD | 20210201 |
| Unknown | China national standards | MT | 1750.0 | USD | 20210123 |
| Unknown | China national standards | MT | 1320.0 | USD | 20210123 |
| Unknown | China national standards | MT | 170.0 | USD | 20210123 |
| Unknown | China national standards | MT | 880.0 | USD | 20210122 |
| Unknown | China national standards | MT | 930.0 | USD | 20210122 |
| Unknown | China national standards | MT | 130.0 | USD | 20210122 |
| Unknown | China national standards | MT | 150.0 | USD | 20210122 |
| Unknown | China national standards | MT | 1100.0 | USD | 20210121 |