| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3190.0 | USD | 20191020 |
| Unknown | China national standards | MT | 3190.0 | USD | 20191019 |
| Unknown | China national standards | MT | 22490.0 | USD | 20191015 |
| Unknown | China national standards | MT | 25240.0 | USD | 20191013 |
| Unknown | China national standards | MT | 3670.0 | USD | 20191012 |
| Unknown | China national standards | MT | 3190.0 | USD | 20191012 |
| Unknown | China national standards | MT | 22530.0 | USD | 20191001 |
| Unknown | China national standards | MT | 22480.0 | USD | 20191001 |
| Unknown | China national standards | MT | 25240.0 | USD | 20191001 |
| Unknown | China national standards | MT | 33450.0 | USD | 20191001 |