| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5130.0 | USD | 20180801 |
| Unknown | China national standards | MT | 1480.0 | USD | 20180723 |
| Unknown | China national standards | MT | 360.0 | USD | 20180723 |
| Unknown | China national standards | MT | 90.0 | USD | 20180723 |
| Unknown | China national standards | MT | 160.0 | USD | 20180723 |
| Unknown | China national standards | MT | 670.0 | USD | 20180722 |
| Unknown | China national standards | MT | 560.0 | USD | 20180722 |
| Unknown | China national standards | MT | 600.0 | USD | 20180722 |
| Unknown | China national standards | MT | 560.0 | USD | 20180722 |
| Unknown | China national standards | MT | 3270.0 | USD | 20180722 |