| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200901 |
| Unknown | China national standards | MT | 100.0 | USD | 20200522 |
| Unknown | China national standards | MT | 710.0 | USD | 20200521 |
| Unknown | China national standards | MT | 730.0 | USD | 20200520 |
| Unknown | China national standards | MT | 110.0 | USD | 20200520 |
| Unknown | China national standards | MT | 940.0 | USD | 20200519 |
| Unknown | China national standards | MT | 130.0 | USD | 20200519 |
| Unknown | China national standards | MT | 830.0 | USD | 20200516 |
| Unknown | China national standards | MT | 3300.0 | USD | 20200516 |
| Unknown | China national standards | MT | 100.0 | USD | 20200516 |