| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20180814 |
| Unknown | China national standards | MT | 100.0 | USD | 20180813 |
| Unknown | China national standards | MT | 740.0 | USD | 20180813 |
| Unknown | China national standards | MT | 660.0 | USD | 20180812 |
| Unknown | China national standards | MT | 680.0 | USD | 20180810 |
| Unknown | China national standards | MT | 680.0 | USD | 20180810 |
| Unknown | China national standards | MT | 690.0 | USD | 20180801 |
| Unknown | China national standards | MT | 5660.0 | USD | 20180801 |
| Unknown | China national standards | MT | 690.0 | USD | 20180801 |
| Unknown | China national standards | MT | 720.0 | USD | 20180801 |