| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 860.0 | USD | 20190722 |
| Unknown | China national standards | MT | 130.0 | USD | 20190722 |
| Unknown | China national standards | MT | 170.0 | USD | 20190721 |
| Unknown | China national standards | MT | 150.0 | USD | 20190721 |
| Unknown | China national standards | MT | 130.0 | USD | 20190721 |
| Unknown | China national standards | MT | 230.0 | USD | 20190720 |
| Unknown | China national standards | MT | 870.0 | USD | 20190720 |
| Unknown | China national standards | MT | 120.0 | USD | 20190720 |
| Unknown | China national standards | MT | 150.0 | USD | 20190719 |
| Unknown | China national standards | MT | 120.0 | USD | 20190719 |