| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1160.0 | USD | 20200419 |
| Unknown | China national standards | MT | 1070.0 | USD | 20200419 |
| Unknown | China national standards | MT | 150.0 | USD | 20200419 |
| Unknown | China national standards | MT | 130.0 | USD | 20200414 |
| Unknown | China national standards | MT | 140.0 | USD | 20200412 |
| Unknown | China national standards | MT | 150.0 | USD | 20200411 |
| Unknown | China national standards | MT | 950.0 | USD | 20200410 |
| Unknown | China national standards | MT | 950.0 | USD | 20200401 |
| Unknown | China national standards | MT | 1070.0 | USD | 20200401 |
| Unknown | China national standards | MT | 170.0 | USD | 20200401 |