| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1770.0 | USD | 20200320 |
| Unknown | China national standards | MT | 190.0 | USD | 20200318 |
| Unknown | China national standards | MT | 1160.0 | USD | 20200317 |
| Unknown | China national standards | MT | 260.0 | USD | 20200315 |
| Unknown | China national standards | MT | 170.0 | USD | 20200315 |
| Unknown | China national standards | MT | 1350.0 | USD | 20200313 |
| Unknown | China national standards | MT | 1460.0 | USD | 20200313 |
| Unknown | China national standards | MT | 220.0 | USD | 20200312 |
| Unknown | China national standards | MT | 210.0 | USD | 20200311 |
| Unknown | China national standards | MT | 210.0 | USD | 20200310 |