| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4020.0 | USD | 20190818 |
| Unknown | China national standards | MT | 590.0 | USD | 20190817 |
| Unknown | China national standards | MT | 580.0 | USD | 20190816 |
| Unknown | China national standards | MT | 4190.0 | USD | 20190816 |
| Unknown | China national standards | MT | 3650.0 | USD | 20190816 |
| Unknown | China national standards | MT | 610.0 | USD | 20190815 |
| Unknown | China national standards | MT | 580.0 | USD | 20190815 |
| Unknown | China national standards | MT | 510.0 | USD | 20190814 |
| Unknown | China national standards | MT | 580.0 | USD | 20190814 |
| Unknown | China national standards | MT | 4210.0 | USD | 20190814 |