| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2270.0 | USD | 20190421 |
| Unknown | China national standards | MT | 6180.0 | USD | 20190420 |
| Unknown | China national standards | MT | 540.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190418 |
| Unknown | China national standards | MT | 140.0 | USD | 20190418 |
| Unknown | China national standards | MT | 150.0 | USD | 20190417 |
| Unknown | China national standards | MT | 830.0 | USD | 20190417 |
| Unknown | China national standards | MT | 3620.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1150.0 | USD | 20190416 |