| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3630.0 | USD | 20200521 |
| Unknown | China national standards | MT | 490.0 | USD | 20200521 |
| Unknown | China national standards | MT | 3670.0 | USD | 20200520 |
| Unknown | China national standards | MT | 3570.0 | USD | 20200520 |
| Unknown | China national standards | MT | 3710.0 | USD | 20200519 |
| Unknown | China national standards | MT | 470.0 | USD | 20200519 |
| Unknown | China national standards | MT | 510.0 | USD | 20200518 |
| Unknown | China national standards | MT | 3470.0 | USD | 20200517 |
| Unknown | China national standards | MT | 510.0 | USD | 20200516 |
| Unknown | China national standards | MT | 520.0 | USD | 20200516 |