| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 310.0 | USD | 20180901 |
| Unknown | China national standards | MT | 2370.0 | USD | 20180901 |
| Unknown | China national standards | MT | 350.0 | USD | 20180823 |
| Unknown | China national standards | MT | 300.0 | USD | 20180823 |
| Unknown | China national standards | MT | 4760.0 | USD | 20180822 |
| Unknown | China national standards | MT | 1540.0 | USD | 20180822 |
| Unknown | China national standards | MT | 710.0 | USD | 20180820 |
| Unknown | China national standards | MT | 350.0 | USD | 20180819 |
| Unknown | China national standards | MT | 2340.0 | USD | 20180818 |
| Unknown | China national standards | MT | 2340.0 | USD | 20180815 |