| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190819 |
| Unknown | China national standards | MT | 80.0 | USD | 20190818 |
| Unknown | China national standards | MT | 60.0 | USD | 20190817 |
| Unknown | China national standards | MT | 650.0 | USD | 20190816 |
| Unknown | China national standards | MT | 610.0 | USD | 20190816 |
| Unknown | China national standards | MT | 110.0 | USD | 20190815 |
| Unknown | China national standards | MT | 90.0 | USD | 20190814 |
| Unknown | China national standards | MT | 100.0 | USD | 20190814 |
| Unknown | China national standards | MT | 780.0 | USD | 20190813 |
| Unknown | China national standards | MT | 710.0 | USD | 20190813 |