| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 660.0 | USD | 20210313 |
| Unknown | China national standards | MT | 1130.0 | USD | 20210301 |
| Unknown | China national standards | MT | 180.0 | USD | 20210301 |
| Unknown | China national standards | MT | 4260.0 | USD | 20210301 |
| Unknown | China national standards | MT | 410.0 | USD | 20210301 |
| Unknown | China national standards | MT | 660.0 | USD | 20210301 |
| Unknown | China national standards | MT | 1090.0 | USD | 20210123 |
| Unknown | China national standards | MT | 50.0 | USD | 20210122 |
| Unknown | China national standards | MT | 300.0 | USD | 20210120 |
| Unknown | China national standards | MT | 170.0 | USD | 20210119 |