| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20200318 |
| Unknown | China national standards | MT | 660.0 | USD | 20200317 |
| Unknown | China national standards | MT | 630.0 | USD | 20200317 |
| Unknown | China national standards | MT | 100.0 | USD | 20200317 |
| Unknown | China national standards | MT | 760.0 | USD | 20200316 |
| Unknown | China national standards | MT | 100.0 | USD | 20200316 |
| Unknown | China national standards | MT | 690.0 | USD | 20200315 |
| Unknown | China national standards | MT | 100.0 | USD | 20200315 |
| Unknown | China national standards | MT | 690.0 | USD | 20200314 |
| Unknown | China national standards | MT | 760.0 | USD | 20200314 |