| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 280.0 | USD | 20190701 |
| Unknown | China national standards | MT | 270.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1900.0 | USD | 20190701 |
| Unknown | China national standards | MT | 1860.0 | USD | 20190701 |
| Unknown | China national standards | MT | 260.0 | USD | 20190623 |
| Unknown | China national standards | MT | 1850.0 | USD | 20190623 |
| Unknown | China national standards | MT | 270.0 | USD | 20190622 |
| Unknown | China national standards | MT | 260.0 | USD | 20190619 |
| Unknown | China national standards | MT | 1770.0 | USD | 20190618 |
| Unknown | China national standards | MT | 270.0 | USD | 20190612 |