| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1000.0 | USD | 20200520 |
| Unknown | China national standards | MT | 140.0 | USD | 20200520 |
| Unknown | China national standards | MT | 920.0 | USD | 20200519 |
| Unknown | China national standards | MT | 920.0 | USD | 20200519 |
| Unknown | China national standards | MT | 1020.0 | USD | 20200518 |
| Unknown | China national standards | MT | 150.0 | USD | 20200516 |
| Unknown | China national standards | MT | 1490.0 | USD | 20200515 |
| Unknown | China national standards | MT | 130.0 | USD | 20200513 |
| Unknown | China national standards | MT | 210.0 | USD | 20200512 |
| Unknown | China national standards | MT | 130.0 | USD | 20200511 |