| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1080.0 | USD | 20180722 |
| Unknown | China national standards | MT | 170.0 | USD | 20180717 |
| Unknown | China national standards | MT | 1100.0 | USD | 20180714 |
| Unknown | China national standards | MT | 170.0 | USD | 20180714 |
| Unknown | China national standards | MT | 140.0 | USD | 20180713 |
| Unknown | China national standards | MT | 900.0 | USD | 20180711 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180710 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180701 |
| Unknown | China national standards | MT | 900.0 | USD | 20180701 |
| Unknown | China national standards | MT | 170.0 | USD | 20180701 |