| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 120.0 | USD | 20190722 |
| Unknown | China national standards | MT | 790.0 | USD | 20190721 |
| Unknown | China national standards | MT | 800.0 | USD | 20190721 |
| Unknown | China national standards | MT | 110.0 | USD | 20190720 |
| Unknown | China national standards | MT | 140.0 | USD | 20190720 |
| Unknown | China national standards | MT | 880.0 | USD | 20190719 |
| Unknown | China national standards | MT | 780.0 | USD | 20190719 |
| Unknown | China national standards | MT | 140.0 | USD | 20190717 |
| Unknown | China national standards | MT | 100.0 | USD | 20190716 |
| Unknown | China national standards | MT | 120.0 | USD | 20190716 |