| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 690.0 | USD | 20180123 |
| Unknown | China national standards | MT | 700.0 | USD | 20180122 |
| Unknown | China national standards | MT | 100.0 | USD | 20180122 |
| Unknown | China national standards | MT | 650.0 | USD | 20180121 |
| Unknown | China national standards | MT | 110.0 | USD | 20180119 |
| Unknown | China national standards | MT | 690.0 | USD | 20180118 |
| Unknown | China national standards | MT | 680.0 | USD | 20180118 |
| Unknown | China national standards | MT | 660.0 | USD | 20180117 |
| Unknown | China national standards | MT | 600.0 | USD | 20180117 |
| Unknown | China national standards | MT | 690.0 | USD | 20180117 |