| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 64420.0 | USD | 20180901 |
| Unknown | China national standards | MT | 56740.0 | USD | 20180901 |
| Unknown | China national standards | MT | 8440.0 | USD | 20180823 |
| Unknown | China national standards | MT | 56170.0 | USD | 20180823 |
| Unknown | China national standards | MT | 8750.0 | USD | 20180820 |
| Unknown | China national standards | MT | 57900.0 | USD | 20180820 |
| Unknown | China national standards | MT | 56150.0 | USD | 20180818 |
| Unknown | China national standards | MT | 55910.0 | USD | 20180814 |
| Unknown | China national standards | MT | 8460.0 | USD | 20180801 |
| Unknown | China national standards | MT | 58260.0 | USD | 20180801 |