| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 250.0 | USD | 20190820 |
| Unknown | China national standards | MT | 1370.0 | USD | 20190820 |
| Unknown | China national standards | MT | 250.0 | USD | 20190819 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190818 |
| Unknown | China national standards | MT | 250.0 | USD | 20190817 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190817 |
| Unknown | China national standards | MT | 1490.0 | USD | 20190817 |
| Unknown | China national standards | MT | 250.0 | USD | 20190816 |
| Unknown | China national standards | MT | 1690.0 | USD | 20190815 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190813 |