| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 520.0 | USD | 20210301 |
| Unknown | China national standards | MT | 330.0 | USD | 20210301 |
| Unknown | China national standards | MT | 1950.0 | USD | 20210223 |
| Unknown | China national standards | MT | 350.0 | USD | 20210222 |
| Unknown | China national standards | MT | 300.0 | USD | 20210222 |
| Unknown | China national standards | MT | 2310.0 | USD | 20210221 |
| Unknown | China national standards | MT | 2120.0 | USD | 20210220 |
| Unknown | China national standards | MT | 330.0 | USD | 20210220 |
| Unknown | China national standards | MT | 2030.0 | USD | 20210219 |
| Unknown | China national standards | MT | 1950.0 | USD | 20210219 |