| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 760.0 | USD | 20200419 |
| Unknown | China national standards | MT | 140.0 | USD | 20200419 |
| Unknown | China national standards | MT | 110.0 | USD | 20200418 |
| Unknown | China national standards | MT | 650.0 | USD | 20200417 |
| Unknown | China national standards | MT | 410.0 | USD | 20200417 |
| Unknown | China national standards | MT | 760.0 | USD | 20200417 |
| Unknown | China national standards | MT | 680.0 | USD | 20200416 |
| Unknown | China national standards | MT | 510.0 | USD | 20200416 |
| Unknown | China national standards | MT | 100.0 | USD | 20200416 |
| Unknown | China national standards | MT | 100.0 | USD | 20200415 |