| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 270.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190801 |
| Unknown | China national standards | MT | 30.0 | USD | 20190801 |
| Unknown | China national standards | MT | 30.0 | USD | 20190801 |
| Unknown | China national standards | MT | 190.0 | USD | 20190723 |
| Unknown | China national standards | MT | 410.0 | USD | 20190723 |
| Unknown | China national standards | MT | 510.0 | USD | 20190722 |
| Unknown | China national standards | MT | 20.0 | USD | 20190722 |
| Unknown | China national standards | MT | 30.0 | USD | 20190721 |
| Unknown | China national standards | MT | 90.0 | USD | 20190721 |