| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 650.0 | USD | 20200522 |
| Unknown | China national standards | MT | 3380.0 | USD | 20200519 |
| Unknown | China national standards | MT | 650.0 | USD | 20200518 |
| Unknown | China national standards | MT | 4600.0 | USD | 20200518 |
| Unknown | China national standards | MT | 230.0 | USD | 20200516 |
| Unknown | China national standards | MT | 650.0 | USD | 20200515 |
| Unknown | China national standards | MT | 1620.0 | USD | 20200515 |
| Unknown | China national standards | MT | 480.0 | USD | 20200515 |
| Unknown | China national standards | MT | 780.0 | USD | 20200514 |
| Unknown | China national standards | MT | 4370.0 | USD | 20200513 |