| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4080.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4800.0 | USD | 20190723 |
| Unknown | China national standards | MT | 4110.0 | USD | 20190722 |
| Unknown | China national standards | MT | 27910.0 | USD | 20190721 |
| Unknown | China national standards | MT | 4000.0 | USD | 20190720 |
| Unknown | China national standards | MT | 2420.0 | USD | 20190719 |
| Unknown | China national standards | MT | 4060.0 | USD | 20190719 |
| Unknown | China national standards | MT | 27500.0 | USD | 20190719 |
| Unknown | China national standards | MT | 27450.0 | USD | 20190718 |