| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 500.0 | USD | 20200323 |
| Unknown | China national standards | MT | 3820.0 | USD | 20200322 |
| Unknown | China national standards | MT | 750.0 | USD | 20200321 |
| Unknown | China national standards | MT | 740.0 | USD | 20200321 |
| Unknown | China national standards | MT | 730.0 | USD | 20200320 |
| Unknown | China national standards | MT | 510.0 | USD | 20200320 |
| Unknown | China national standards | MT | 500.0 | USD | 20200319 |
| Unknown | China national standards | MT | 790.0 | USD | 20200319 |
| Unknown | China national standards | MT | 750.0 | USD | 20200318 |
| Unknown | China national standards | MT | 9450.0 | USD | 20200317 |