| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4720.0 | USD | 20190520 |
| Unknown | China national standards | MT | 490.0 | USD | 20190520 |
| Unknown | China national standards | MT | 160.0 | USD | 20190519 |
| Unknown | China national standards | MT | 500.0 | USD | 20190519 |
| Unknown | China national standards | MT | 250.0 | USD | 20190519 |
| Unknown | China national standards | MT | 6200.0 | USD | 20190518 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190517 |
| Unknown | China national standards | MT | 870.0 | USD | 20190516 |
| Unknown | China national standards | MT | 250.0 | USD | 20190516 |
| Unknown | China national standards | MT | 5930.0 | USD | 20190512 |