| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 530.0 | USD | 20200520 |
| Unknown | China national standards | MT | 620.0 | USD | 20200520 |
| Unknown | China national standards | MT | 90.0 | USD | 20200520 |
| Unknown | China national standards | MT | 620.0 | USD | 20200518 |
| Unknown | China national standards | MT | 90.0 | USD | 20200517 |
| Unknown | China national standards | MT | 70.0 | USD | 20200516 |
| Unknown | China national standards | MT | 630.0 | USD | 20200513 |
| Unknown | China national standards | MT | 70.0 | USD | 20200513 |
| Unknown | China national standards | MT | 100.0 | USD | 20200512 |
| Unknown | China national standards | MT | 220.0 | USD | 20200511 |