| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20200401 |
| Unknown | China national standards | MT | 100.0 | USD | 20200401 |
| Unknown | China national standards | MT | 90.0 | USD | 20200401 |
| Unknown | China national standards | MT | 90.0 | USD | 20200401 |
| Unknown | China national standards | MT | 90.0 | USD | 20200322 |
| Unknown | China national standards | MT | 620.0 | USD | 20200321 |
| Unknown | China national standards | MT | 680.0 | USD | 20200320 |
| Unknown | China national standards | MT | 710.0 | USD | 20200319 |
| Unknown | China national standards | MT | 100.0 | USD | 20200319 |
| Unknown | China national standards | MT | 750.0 | USD | 20200318 |