| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60.0 | USD | 20200723 |
| Unknown | China national standards | MT | 60.0 | USD | 20200713 |
| Unknown | China national standards | MT | 130.0 | USD | 20200712 |
| Unknown | China national standards | MT | 130.0 | USD | 20200710 |
| Unknown | China national standards | MT | 530.0 | USD | 20200523 |
| Unknown | China national standards | MT | 590.0 | USD | 20200523 |
| Unknown | China national standards | MT | 520.0 | USD | 20200523 |
| Unknown | China national standards | MT | 160.0 | USD | 20200523 |
| Unknown | China national standards | MT | 80.0 | USD | 20200523 |
| Unknown | China national standards | MT | 80.0 | USD | 20200523 |