| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 26760.0 | USD | 20180723 |
| Unknown | China national standards | MT | 42880.0 | USD | 20180721 |
| Unknown | China national standards | MT | 24290.0 | USD | 20180720 |
| Unknown | China national standards | MT | 27070.0 | USD | 20180717 |
| Unknown | China national standards | MT | 4230.0 | USD | 20180711 |
| Unknown | China national standards | MT | 6780.0 | USD | 20180710 |
| Unknown | China national standards | MT | 43850.0 | USD | 20180701 |
| Unknown | China national standards | MT | 24840.0 | USD | 20180701 |
| Unknown | China national standards | MT | 3850.0 | USD | 20180701 |
| Unknown | China national standards | MT | 4230.0 | USD | 20180701 |