| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60.0 | USD | 20200823 |
| Unknown | China national standards | MT | 100.0 | USD | 20200817 |
| Unknown | China national standards | MT | 60.0 | USD | 20200816 |
| Unknown | China national standards | MT | 70.0 | USD | 20200810 |
| Unknown | China national standards | MT | 70.0 | USD | 20200801 |
| Unknown | China national standards | MT | 100.0 | USD | 20200801 |
| Unknown | China national standards | MT | 50.0 | USD | 20200722 |
| Unknown | China national standards | MT | 50.0 | USD | 20200701 |
| Unknown | China national standards | MT | 40.0 | USD | 20200701 |
| Unknown | China national standards | MT | 30.0 | USD | 20200616 |