| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20190918 |
| Unknown | China national standards | MT | 610.0 | USD | 20190915 |
| Unknown | China national standards | MT | 90.0 | USD | 20190901 |
| Unknown | China national standards | MT | 90.0 | USD | 20190901 |
| Unknown | China national standards | MT | 90.0 | USD | 20190822 |
| Unknown | China national standards | MT | 610.0 | USD | 20190811 |
| Unknown | China national standards | MT | 90.0 | USD | 20190801 |
| Unknown | China national standards | MT | 620.0 | USD | 20190801 |
| Unknown | China national standards | MT | 110.0 | USD | 20190723 |
| Unknown | China national standards | MT | 7310.0 | USD | 20190723 |