| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200422 |
| Unknown | China national standards | MT | 620.0 | USD | 20200421 |
| Unknown | China national standards | MT | 90.0 | USD | 20200420 |
| Unknown | China national standards | MT | 770.0 | USD | 20200413 |
| Unknown | China national standards | MT | 90.0 | USD | 20200411 |
| Unknown | China national standards | MT | 770.0 | USD | 20200401 |
| Unknown | China national standards | MT | 660.0 | USD | 20200401 |
| Unknown | China national standards | MT | 660.0 | USD | 20200401 |
| Unknown | China national standards | MT | 620.0 | USD | 20200401 |
| Unknown | China national standards | MT | 110.0 | USD | 20200401 |