| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20.0 | USD | 20200414 |
| Unknown | China national standards | MT | 80.0 | USD | 20200411 |
| Unknown | China national standards | MT | 110.0 | USD | 20200410 |
| Unknown | China national standards | MT | 150.0 | USD | 20200410 |
| Unknown | China national standards | MT | 540.0 | USD | 20200401 |
| Unknown | China national standards | MT | 20.0 | USD | 20200401 |
| Unknown | China national standards | MT | 20.0 | USD | 20200401 |
| Unknown | China national standards | MT | 20.0 | USD | 20200401 |
| Unknown | China national standards | MT | 20.0 | USD | 20200401 |
| Unknown | China national standards | MT | 20.0 | USD | 20200401 |