| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 660.0 | USD | 20210301 |
| Unknown | China national standards | MT | 620.0 | USD | 20210301 |
| Unknown | China national standards | MT | 700.0 | USD | 20210301 |
| Unknown | China national standards | MT | 700.0 | USD | 20210301 |
| Unknown | China national standards | MT | 70.0 | USD | 20210223 |
| Unknown | China national standards | MT | 110.0 | USD | 20210223 |
| Unknown | China national standards | MT | 110.0 | USD | 20210222 |
| Unknown | China national standards | MT | 70.0 | USD | 20210221 |
| Unknown | China national standards | MT | 690.0 | USD | 20210220 |
| Unknown | China national standards | MT | 470.0 | USD | 20210220 |