| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 340.0 | USD | 20190522 |
| Unknown | China national standards | MT | 2080.0 | USD | 20190522 |
| Unknown | China national standards | MT | 2080.0 | USD | 20190522 |
| Unknown | China national standards | MT | 340.0 | USD | 20190520 |
| Unknown | China national standards | MT | 310.0 | USD | 20190520 |
| Unknown | China national standards | MT | 740.0 | USD | 20190520 |
| Unknown | China national standards | MT | 2800.0 | USD | 20190519 |
| Unknown | China national standards | MT | 810.0 | USD | 20190517 |
| Unknown | China national standards | MT | 750.0 | USD | 20190515 |
| Unknown | China national standards | MT | 5020.0 | USD | 20190515 |