| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 310.0 | USD | 20210323 |
| Unknown | China national standards | MT | 310.0 | USD | 20210322 |
| Unknown | China national standards | MT | 2140.0 | USD | 20210321 |
| Unknown | China national standards | MT | 2810.0 | USD | 20210320 |
| Unknown | China national standards | MT | 1840.0 | USD | 20210319 |
| Unknown | China national standards | MT | 440.0 | USD | 20210316 |
| Unknown | China national standards | MT | 2010.0 | USD | 20210316 |
| Unknown | China national standards | MT | USD | 20210314 | |
| Unknown | China national standards | MT | USD | 20210313 | |
| Unknown | China national standards | MT | USD | 20210310 |