| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190623 |
| Unknown | China national standards | MT | 110.0 | USD | 20190623 |
| Unknown | China national standards | MT | 160.0 | USD | 20190622 |
| Unknown | China national standards | MT | 160.0 | USD | 20190622 |
| Unknown | China national standards | MT | 150.0 | USD | 20190619 |
| Unknown | China national standards | MT | 730.0 | USD | 20190618 |
| Unknown | China national standards | MT | 110.0 | USD | 20190615 |
| Unknown | China national standards | MT | 730.0 | USD | 20190614 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190614 |
| Unknown | China national standards | MT | 730.0 | USD | 20190613 |