| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1560.0 | USD | 20200517 |
| Unknown | China national standards | MT | 610.0 | USD | 20200516 |
| Unknown | China national standards | MT | 170.0 | USD | 20200515 |
| Unknown | China national standards | MT | 90.0 | USD | 20200515 |
| Unknown | China national standards | MT | 460.0 | USD | 20200515 |
| Unknown | China national standards | MT | 580.0 | USD | 20200514 |
| Unknown | China national standards | MT | 950.0 | USD | 20200513 |
| Unknown | China national standards | MT | 3260.0 | USD | 20200513 |
| Unknown | China national standards | MT | 1200.0 | USD | 20200512 |
| Unknown | China national standards | MT | 220.0 | USD | 20200511 |