| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20200801 |
| Unknown | China national standards | MT | 110.0 | USD | 20200801 |
| Unknown | China national standards | MT | 40.0 | USD | 20200801 |
| Unknown | China national standards | MT | 30.0 | USD | 20200801 |
| Unknown | China national standards | MT | 70.0 | USD | 20200622 |
| Unknown | China national standards | MT | 20.0 | USD | 20200619 |
| Unknown | China national standards | MT | 70.0 | USD | 20200618 |
| Unknown | China national standards | MT | 20.0 | USD | 20200601 |
| Unknown | China national standards | MT | 18480.0 | USD | 20200523 |
| Unknown | China national standards | MT | 1930.0 | USD | 20200523 |