| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 630.0 | USD | 20200415 |
| Unknown | China national standards | MT | 670.0 | USD | 20200414 |
| Unknown | China national standards | MT | 1400.0 | USD | 20200414 |
| Unknown | China national standards | MT | 110.0 | USD | 20200414 |
| Unknown | China national standards | MT | 630.0 | USD | 20200413 |
| Unknown | China national standards | MT | 100.0 | USD | 20200411 |
| Unknown | China national standards | MT | 580.0 | USD | 20200410 |
| Unknown | China national standards | MT | 80.0 | USD | 20200410 |
| Unknown | China national standards | MT | 200.0 | USD | 20200410 |
| Unknown | China national standards | MT | 730.0 | USD | 20200401 |