| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 900.0 | USD | 20180723 |
| Unknown | China national standards | MT | 870.0 | USD | 20180721 |
| Unknown | China national standards | MT | 6680.0 | USD | 20180721 |
| Unknown | China national standards | MT | 6160.0 | USD | 20180719 |
| Unknown | China national standards | MT | 6740.0 | USD | 20180719 |
| Unknown | China national standards | MT | 880.0 | USD | 20180718 |
| Unknown | China national standards | MT | 970.0 | USD | 20180716 |
| Unknown | China national standards | MT | 960.0 | USD | 20180715 |
| Unknown | China national standards | MT | 6070.0 | USD | 20180713 |
| Unknown | China national standards | MT | 910.0 | USD | 20180712 |