| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1100.0 | USD | 20180901 |
| Unknown | China national standards | MT | 1030.0 | USD | 20180901 |
| Unknown | China national standards | MT | 920.0 | USD | 20180823 |
| Unknown | China national standards | MT | 140.0 | USD | 20180821 |
| Unknown | China national standards | MT | 140.0 | USD | 20180821 |
| Unknown | China national standards | MT | 150.0 | USD | 20180820 |
| Unknown | China national standards | MT | 150.0 | USD | 20180820 |
| Unknown | China national standards | MT | 1010.0 | USD | 20180818 |
| Unknown | China national standards | MT | 150.0 | USD | 20180817 |
| Unknown | China national standards | MT | 150.0 | USD | 20180817 |