| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20200901 |
| Unknown | China national standards | MT | 810.0 | USD | 20200523 |
| Unknown | China national standards | MT | 650.0 | USD | 20200522 |
| Unknown | China national standards | MT | 650.0 | USD | 20200522 |
| Unknown | China national standards | MT | 400.0 | USD | 20200521 |
| Unknown | China national standards | MT | 680.0 | USD | 20200520 |
| Unknown | China national standards | MT | 90.0 | USD | 20200519 |
| Unknown | China national standards | MT | 790.0 | USD | 20200519 |
| Unknown | China national standards | MT | 580.0 | USD | 20200519 |
| Unknown | China national standards | MT | 60.0 | USD | 20200518 |