| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 780.0 | USD | 20190812 |
| Unknown | China national standards | MT | 5390.0 | USD | 20190812 |
| Unknown | China national standards | MT | 4900.0 | USD | 20190801 |
| Unknown | China national standards | MT | 5490.0 | USD | 20190801 |
| Unknown | China national standards | MT | 800.0 | USD | 20190801 |
| Unknown | China national standards | MT | 750.0 | USD | 20190801 |
| Unknown | China national standards | MT | 5660.0 | USD | 20190723 |
| Unknown | China national standards | MT | 870.0 | USD | 20190721 |
| Unknown | China national standards | MT | 5380.0 | USD | 20190720 |
| Unknown | China national standards | MT | 6010.0 | USD | 20190716 |