| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20190722 |
| Unknown | China national standards | MT | 150.0 | USD | 20190721 |
| Unknown | China national standards | MT | 630.0 | USD | 20190721 |
| Unknown | China national standards | MT | 90.0 | USD | 20190720 |
| Unknown | China national standards | MT | 190.0 | USD | 20190718 |
| Unknown | China national standards | MT | 30.0 | USD | 20190718 |
| Unknown | China national standards | MT | 190.0 | USD | 20190717 |
| Unknown | China national standards | MT | 140.0 | USD | 20190715 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190715 |
| Unknown | China national standards | MT | 630.0 | USD | 20190713 |