| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 800.0 | USD | 20191015 |
| Unknown | China national standards | MT | 110.0 | USD | 20191013 |
| Unknown | China national standards | MT | 790.0 | USD | 20191012 |
| Unknown | China national standards | MT | 790.0 | USD | 20191011 |
| Unknown | China national standards | MT | 790.0 | USD | 20191011 |
| Unknown | China national standards | MT | 110.0 | USD | 20191011 |
| Unknown | China national standards | MT | 110.0 | USD | 20191001 |
| Unknown | China national standards | MT | 100.0 | USD | 20191001 |
| Unknown | China national standards | MT | 110.0 | USD | 20191001 |
| Unknown | China national standards | MT | 110.0 | USD | 20191001 |