| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 640.0 | USD | 20180801 |
| Unknown | China national standards | MT | 30.0 | USD | 20180801 |
| Unknown | China national standards | MT | 140.0 | USD | 20180723 |
| Unknown | China national standards | MT | 40.0 | USD | 20180723 |
| Unknown | China national standards | MT | 230.0 | USD | 20180723 |
| Unknown | China national standards | MT | 130.0 | USD | 20180723 |
| Unknown | China national standards | MT | 200.0 | USD | 20180722 |
| Unknown | China national standards | MT | 140.0 | USD | 20180722 |
| Unknown | China national standards | MT | 510.0 | USD | 20180722 |
| Unknown | China national standards | MT | 160.0 | USD | 20180721 |