| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1270.0 | USD | 20200515 |
| Unknown | China national standards | MT | 810.0 | USD | 20200514 |
| Unknown | China national standards | MT | 210.0 | USD | 20200514 |
| Unknown | China national standards | MT | 1270.0 | USD | 20200513 |
| Unknown | China national standards | MT | 1510.0 | USD | 20200512 |
| Unknown | China national standards | MT | 180.0 | USD | 20200511 |
| Unknown | China national standards | MT | 790.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |