| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20180713 |
| Unknown | China national standards | MT | 660.0 | USD | 20180713 |
| Unknown | China national standards | MT | 680.0 | USD | 20180713 |
| Unknown | China national standards | MT | 600.0 | USD | 20180712 |
| Unknown | China national standards | MT | 100.0 | USD | 20180711 |
| Unknown | China national standards | MT | 640.0 | USD | 20180710 |
| Unknown | China national standards | MT | 670.0 | USD | 20180701 |
| Unknown | China national standards | MT | 600.0 | USD | 20180701 |
| Unknown | China national standards | MT | 640.0 | USD | 20180701 |
| Unknown | China national standards | MT | 670.0 | USD | 20180701 |