| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 25600.0 | USD | 20190801 |
| Unknown | China national standards | MT | 11480.0 | USD | 20190801 |
| Unknown | China national standards | MT | 520.0 | USD | 20190723 |
| Unknown | China national standards | MT | 3500.0 | USD | 20190723 |
| Unknown | China national standards | MT | 3310.0 | USD | 20190722 |
| Unknown | China national standards | MT | 3610.0 | USD | 20190722 |
| Unknown | China national standards | MT | 510.0 | USD | 20190721 |
| Unknown | China national standards | MT | 9100.0 | USD | 20190721 |
| Unknown | China national standards | MT | 3510.0 | USD | 20190721 |
| Unknown | China national standards | MT | 13200.0 | USD | 20190720 |