| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200623 |
| Unknown | China national standards | MT | 10.0 | USD | 20200622 |
| Unknown | China national standards | MT | 100.0 | USD | 20200619 |
| Unknown | China national standards | MT | 90.0 | USD | 20200618 |
| Unknown | China national standards | MT | 10.0 | USD | 20200617 |
| Unknown | China national standards | MT | 100.0 | USD | 20200610 |
| Unknown | China national standards | MT | 2870.0 | USD | 20200523 |
| Unknown | China national standards | MT | 1480.0 | USD | 20200523 |
| Unknown | China national standards | MT | 1680.0 | USD | 20200523 |
| Unknown | China national standards | MT | 1320.0 | USD | 20200523 |