| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 19290.0 | USD | 20190414 |
| Unknown | China national standards | MT | 17540.0 | USD | 20190413 |
| Unknown | China national standards | MT | 450.0 | USD | 20190412 |
| Unknown | China national standards | MT | 3100.0 | USD | 20190411 |
| Unknown | China national standards | MT | 20640.0 | USD | 20190411 |
| Unknown | China national standards | MT | 3270.0 | USD | 20190401 |
| Unknown | China national standards | MT | 450.0 | USD | 20190401 |
| Unknown | China national standards | MT | 3090.0 | USD | 20190401 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190401 |
| Unknown | China national standards | MT | 3270.0 | USD | 20190401 |