| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 190.0 | USD | 20190416 |
| Unknown | China national standards | MT | 220.0 | USD | 20190415 |
| Unknown | China national standards | MT | 1390.0 | USD | 20190412 |
| Unknown | China national standards | MT | 1390.0 | USD | 20190411 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190411 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190410 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190410 |
| Unknown | China national standards | MT | 190.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190401 |
| Unknown | China national standards | MT | 220.0 | USD | 20190401 |