| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20190520 |
| Unknown | China national standards | MT | 100.0 | USD | 20190519 |
| Unknown | China national standards | MT | 110.0 | USD | 20190518 |
| Unknown | China national standards | MT | 650.0 | USD | 20190517 |
| Unknown | China national standards | MT | 100.0 | USD | 20190516 |
| Unknown | China national standards | MT | 220.0 | USD | 20190516 |
| Unknown | China national standards | MT | 670.0 | USD | 20190516 |
| Unknown | China national standards | MT | 100.0 | USD | 20190516 |
| Unknown | China national standards | MT | 710.0 | USD | 20190516 |
| Unknown | China national standards | MT | 670.0 | USD | 20190515 |