| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 510.0 | USD | 20190818 |
| Unknown | China national standards | MT | 380.0 | USD | 20190818 |
| Unknown | China national standards | MT | 70.0 | USD | 20190817 |
| Unknown | China national standards | MT | 510.0 | USD | 20190816 |
| Unknown | China national standards | MT | 380.0 | USD | 20190815 |
| Unknown | China national standards | MT | 50.0 | USD | 20190814 |
| Unknown | China national standards | MT | 80.0 | USD | 20190814 |
| Unknown | China national standards | MT | 460.0 | USD | 20190813 |
| Unknown | China national standards | MT | 460.0 | USD | 20190813 |
| Unknown | China national standards | MT | 70.0 | USD | 20190813 |