| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200901 |
| Unknown | China national standards | MT | 70.0 | USD | 20200901 |
| Unknown | China national standards | MT | 30.0 | USD | 20200901 |
| Unknown | China national standards | MT | 90.0 | USD | 20200901 |
| Unknown | China national standards | MT | 70.0 | USD | 20200901 |
| Unknown | China national standards | MT | 530.0 | USD | 20200523 |
| Unknown | China national standards | MT | 130.0 | USD | 20200523 |
| Unknown | China national standards | MT | 130.0 | USD | 20200522 |
| Unknown | China national standards | MT | 20.0 | USD | 20200519 |
| Unknown | China national standards | MT | 470.0 | USD | 20200516 |