| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190801 |
| Unknown | China national standards | MT | 90.0 | USD | 20190801 |
| Unknown | China national standards | MT | 440.0 | USD | 20190723 |
| Unknown | China national standards | MT | 960.0 | USD | 20190720 |
| Unknown | China national standards | MT | 90.0 | USD | 20190720 |
| Unknown | China national standards | MT | 640.0 | USD | 20190720 |
| Unknown | China national standards | MT | 640.0 | USD | 20190719 |
| Unknown | China national standards | MT | 100.0 | USD | 20190719 |
| Unknown | China national standards | MT | 650.0 | USD | 20190719 |
| Unknown | China national standards | MT | 90.0 | USD | 20190718 |