| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 670.0 | USD | 20190801 |
| Unknown | China national standards | MT | 630.0 | USD | 20190801 |
| Unknown | China national standards | MT | 500.0 | USD | 20190801 |
| Unknown | China national standards | MT | 630.0 | USD | 20190723 |
| Unknown | China national standards | MT | 570.0 | USD | 20190723 |
| Unknown | China national standards | MT | 90.0 | USD | 20190722 |
| Unknown | China national standards | MT | 150.0 | USD | 20190722 |
| Unknown | China national standards | MT | 90.0 | USD | 20190722 |
| Unknown | China national standards | MT | 2590.0 | USD | 20190721 |
| Unknown | China national standards | MT | 650.0 | USD | 20190721 |