| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20191101 |
| Unknown | China national standards | MT | 540.0 | USD | 20191101 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191022 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191019 |
| Unknown | China national standards | MT | 4150.0 | USD | 20191018 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191017 |
| Unknown | China national standards | MT | 590.0 | USD | 20191016 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191016 |
| Unknown | China national standards | MT | 3950.0 | USD | 20191013 |
| Unknown | China national standards | MT | 4920.0 | USD | 20191011 |