| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1770.0 | USD | 20180718 |
| Unknown | China national standards | MT | 1600.0 | USD | 20180716 |
| Unknown | China national standards | MT | 240.0 | USD | 20180714 |
| Unknown | China national standards | MT | 1560.0 | USD | 20180712 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180711 |
| Unknown | China national standards | MT | 1780.0 | USD | 20180711 |
| Unknown | China national standards | MT | 250.0 | USD | 20180701 |
| Unknown | China national standards | MT | 1690.0 | USD | 20180701 |
| Unknown | China national standards | MT | 250.0 | USD | 20180701 |
| Unknown | China national standards | MT | 280.0 | USD | 20180701 |