| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 85000.0 | USD | 20191001 |
| Unknown | China national standards | MT | 85000.0 | USD | 20191001 |
| Unknown | China national standards | MT | 11630.0 | USD | 20190822 |
| Unknown | China national standards | MT | 80320.0 | USD | 20190815 |
| Unknown | China national standards | MT | 80380.0 | USD | 20190812 |
| Unknown | China national standards | MT | 11890.0 | USD | 20190801 |
| Unknown | China national standards | MT | 12610.0 | USD | 20190422 |
| Unknown | China national standards | MT | 12590.0 | USD | 20190416 |
| Unknown | China national standards | MT | 84490.0 | USD | 20190410 |
| Unknown | China national standards | MT | 84380.0 | USD | 20190401 |