| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20200418 |
| Unknown | China national standards | MT | 40.0 | USD | 20200414 |
| Unknown | China national standards | MT | 300.0 | USD | 20200412 |
| Unknown | China national standards | MT | 1220.0 | USD | 20200401 |
| Unknown | China national standards | MT | 170.0 | USD | 20200401 |
| Unknown | China national standards | MT | 170.0 | USD | 20200401 |
| Unknown | China national standards | MT | 300.0 | USD | 20200321 |
| Unknown | China national standards | MT | 300.0 | USD | 20200321 |
| Unknown | China national standards | MT | 180.0 | USD | 20200316 |
| Unknown | China national standards | MT | 40.0 | USD | 20200314 |