| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 120.0 | USD | 20180823 |
| Unknown | China national standards | MT | 980.0 | USD | 20180819 |
| Unknown | China national standards | MT | 820.0 | USD | 20180817 |
| Unknown | China national standards | MT | 150.0 | USD | 20180817 |
| Unknown | China national standards | MT | 880.0 | USD | 20180815 |
| Unknown | China national standards | MT | 990.0 | USD | 20180814 |
| Unknown | China national standards | MT | 130.0 | USD | 20180811 |
| Unknown | China national standards | MT | 880.0 | USD | 20180810 |
| Unknown | China national standards | MT | 880.0 | USD | 20180810 |
| Unknown | China national standards | MT | 130.0 | USD | 20180801 |