| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 780.0 | USD | 20190801 |
| Unknown | China national standards | MT | 900.0 | USD | 20190801 |
| Unknown | China national standards | MT | 780.0 | USD | 20190722 |
| Unknown | China national standards | MT | 870.0 | USD | 20190722 |
| Unknown | China national standards | MT | 120.0 | USD | 20190721 |
| Unknown | China national standards | MT | 130.0 | USD | 20190720 |
| Unknown | China national standards | MT | 130.0 | USD | 20190713 |
| Unknown | China national standards | MT | 870.0 | USD | 20190710 |
| Unknown | China national standards | MT | 810.0 | USD | 20190701 |
| Unknown | China national standards | MT | 880.0 | USD | 20190701 |