| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 970.0 | USD | 20190522 |
| Unknown | China national standards | MT | 140.0 | USD | 20190521 |
| Unknown | China national standards | MT | 80.0 | USD | 20190521 |
| Unknown | China national standards | MT | 410.0 | USD | 20190521 |
| Unknown | China national standards | MT | 140.0 | USD | 20190520 |
| Unknown | China national standards | MT | 140.0 | USD | 20190520 |
| Unknown | China national standards | MT | 90.0 | USD | 20190519 |
| Unknown | China national standards | MT | 920.0 | USD | 20190519 |
| Unknown | China national standards | MT | 140.0 | USD | 20190514 |
| Unknown | China national standards | MT | 990.0 | USD | 20190513 |