| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 450.0 | USD | 20180823 |
| Unknown | China national standards | MT | 2990.0 | USD | 20180823 |
| Unknown | China national standards | MT | 2550.0 | USD | 20180821 |
| Unknown | China national standards | MT | 450.0 | USD | 20180820 |
| Unknown | China national standards | MT | 3020.0 | USD | 20180820 |
| Unknown | China national standards | MT | 3010.0 | USD | 20180817 |
| Unknown | China national standards | MT | 2960.0 | USD | 20180815 |
| Unknown | China national standards | MT | 2530.0 | USD | 20180814 |
| Unknown | China national standards | MT | 380.0 | USD | 20180812 |
| Unknown | China national standards | MT | 450.0 | USD | 20180810 |