| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20200512 |
| Unknown | China national standards | MT | 220.0 | USD | 20200512 |
| Unknown | China national standards | MT | 550.0 | USD | 20200511 |
| Unknown | China national standards | MT | 700.0 | USD | 20200511 |
| Unknown | China national standards | MT | 80.0 | USD | 20200511 |
| Unknown | China national standards | MT | 640.0 | USD | 20200510 |
| Unknown | China national standards | MT | 660.0 | USD | 20200501 |
| Unknown | China national standards | MT | 590.0 | USD | 20200501 |
| Unknown | China national standards | MT | 620.0 | USD | 20200501 |
| Unknown | China national standards | MT | 560.0 | USD | 20200501 |