| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 700.0 | USD | 20200315 |
| Unknown | China national standards | MT | 700.0 | USD | 20200314 |
| Unknown | China national standards | MT | 4000.0 | USD | 20200313 |
| Unknown | China national standards | MT | 5200.0 | USD | 20200313 |
| Unknown | China national standards | MT | 1550.0 | USD | 20200312 |
| Unknown | China national standards | MT | 3770.0 | USD | 20200311 |
| Unknown | China national standards | MT | 4940.0 | USD | 20200310 |
| Unknown | China national standards | MT | 10800.0 | USD | 20200301 |
| Unknown | China national standards | MT | 700.0 | USD | 20200301 |
| Unknown | China national standards | MT | 540.0 | USD | 20200301 |