| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 750.0 | USD | 20190420 |
| Unknown | China national standards | MT | 750.0 | USD | 20190419 |
| Unknown | China national standards | MT | 110.0 | USD | 20190416 |
| Unknown | China national standards | MT | 17630.0 | USD | 20190415 |
| Unknown | China national standards | MT | 750.0 | USD | 20190413 |
| Unknown | China national standards | MT | 110.0 | USD | 20190411 |
| Unknown | China national standards | MT | 110.0 | USD | 20190411 |
| Unknown | China national standards | MT | 17640.0 | USD | 20190411 |
| Unknown | China national standards | MT | 160.0 | USD | 20190401 |
| Unknown | China national standards | MT | 750.0 | USD | 20190401 |