| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20200519 |
| Unknown | China national standards | MT | 90.0 | USD | 20200519 |
| Unknown | China national standards | MT | 560.0 | USD | 20200518 |
| Unknown | China national standards | MT | 560.0 | USD | 20200518 |
| Unknown | China national standards | MT | 470.0 | USD | 20200518 |
| Unknown | China national standards | MT | 150.0 | USD | 20200518 |
| Unknown | China national standards | MT | 70.0 | USD | 20200518 |
| Unknown | China national standards | MT | 560.0 | USD | 20200517 |
| Unknown | China national standards | MT | 120.0 | USD | 20200517 |
| Unknown | China national standards | MT | 120.0 | USD | 20200516 |