| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 52870.0 | USD | 20190620 |
| Unknown | China national standards | MT | 68710.0 | USD | 20190616 |
| Unknown | China national standards | MT | 8990.0 | USD | 20190615 |
| Unknown | China national standards | MT | 8290.0 | USD | 20190615 |
| Unknown | China national standards | MT | 60370.0 | USD | 20190613 |
| Unknown | China national standards | MT | 8990.0 | USD | 20190612 |
| Unknown | China national standards | MT | 8610.0 | USD | 20190611 |
| Unknown | China national standards | MT | 60380.0 | USD | 20190610 |
| Unknown | China national standards | MT | 8290.0 | USD | 20190601 |
| Unknown | China national standards | MT | 7680.0 | USD | 20190601 |