| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2370.0 | USD | 20210314 |
| Unknown | China national standards | MT | 1690.0 | USD | 20210313 |
| Unknown | China national standards | MT | 330.0 | USD | 20210313 |
| Unknown | China national standards | MT | 320.0 | USD | 20210313 |
| Unknown | China national standards | MT | 570.0 | USD | 20210311 |
| Unknown | China national standards | MT | 260.0 | USD | 20210310 |
| Unknown | China national standards | MT | 280.0 | USD | 20210310 |
| Unknown | China national standards | MT | 1380.0 | USD | 20210310 |
| Unknown | China national standards | MT | 2080.0 | USD | 20210310 |
| Unknown | China national standards | MT | 2100.0 | USD | 20210301 |