| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 550.0 | USD | 20180801 |
| Unknown | China national standards | MT | 560.0 | USD | 20180723 |
| Unknown | China national standards | MT | 510.0 | USD | 20180722 |
| Unknown | China national standards | MT | 500.0 | USD | 20180722 |
| Unknown | China national standards | MT | 3320.0 | USD | 20180721 |
| Unknown | China national standards | MT | 3150.0 | USD | 20180721 |
| Unknown | China national standards | MT | 3350.0 | USD | 20180721 |
| Unknown | China national standards | MT | 560.0 | USD | 20180720 |
| Unknown | China national standards | MT | 490.0 | USD | 20180720 |
| Unknown | China national standards | MT | 3620.0 | USD | 20180720 |