| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15310.0 | USD | 20190422 |
| Unknown | China national standards | MT | 109650.0 | USD | 20190420 |
| Unknown | China national standards | MT | 112100.0 | USD | 20190418 |
| Unknown | China national standards | MT | 16210.0 | USD | 20190417 |
| Unknown | China national standards | MT | 16710.0 | USD | 20190417 |
| Unknown | China national standards | MT | 111580.0 | USD | 20190414 |
| Unknown | China national standards | MT | 16220.0 | USD | 20190411 |
| Unknown | China national standards | MT | 16690.0 | USD | 20190401 |
| Unknown | China national standards | MT | 109400.0 | USD | 20190401 |
| Unknown | China national standards | MT | 102830.0 | USD | 20190401 |