| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 440.0 | USD | 20200517 |
| Unknown | China national standards | MT | 2870.0 | USD | 20200516 |
| Unknown | China national standards | MT | 410.0 | USD | 20200516 |
| Unknown | China national standards | MT | 3120.0 | USD | 20200515 |
| Unknown | China national standards | MT | 380.0 | USD | 20200514 |
| Unknown | China national standards | MT | 440.0 | USD | 20200514 |
| Unknown | China national standards | MT | 420.0 | USD | 20200513 |
| Unknown | China national standards | MT | 380.0 | USD | 20200512 |
| Unknown | China national standards | MT | 470.0 | USD | 20200501 |
| Unknown | China national standards | MT | 230.0 | USD | 20200501 |