| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 6160.0 | USD | 20190801 |
| Unknown | China national standards | MT | 820.0 | USD | 20190801 |
| Unknown | China national standards | MT | 1490.0 | USD | 20190801 |
| Unknown | China national standards | MT | 10260.0 | USD | 20190801 |
| Unknown | China national standards | MT | 5910.0 | USD | 20190722 |
| Unknown | China national standards | MT | 5730.0 | USD | 20190722 |
| Unknown | China national standards | MT | 840.0 | USD | 20190721 |
| Unknown | China national standards | MT | 820.0 | USD | 20190721 |
| Unknown | China national standards | MT | 830.0 | USD | 20190721 |
| Unknown | China national standards | MT | 850.0 | USD | 20190720 |