| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 9220.0 | USD | 20190723 |
| Unknown | China national standards | MT | 5230.0 | USD | 20190723 |
| Unknown | China national standards | MT | 310.0 | USD | 20190722 |
| Unknown | China national standards | MT | 760.0 | USD | 20190721 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190721 |
| Unknown | China national standards | MT | 310.0 | USD | 20190721 |
| Unknown | China national standards | MT | 260.0 | USD | 20190721 |
| Unknown | China national standards | MT | 2120.0 | USD | 20190721 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190720 |
| Unknown | China national standards | MT | 2400.0 | USD | 20190720 |