| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 539700.0 | USD | 20191123 |
| Unknown | China national standards | MT | 519030.03 | USD | 20191122 |
| Unknown | China national standards | MT | 73560.0 | USD | 20191120 |
| Unknown | China national standards | MT | 73650.0 | USD | 20191119 |
| Unknown | China national standards | MT | 520620.0 | USD | 20191115 |
| Unknown | China national standards | MT | 76600.0 | USD | 20191113 |
| Unknown | China national standards | MT | 76690.0 | USD | 20191110 |
| Unknown | China national standards | MT | 538700.0 | USD | 20191101 |
| Unknown | China national standards | MT | 549610.0 | USD | 20191022 |
| Unknown | China national standards | MT | 77680.0 | USD | 20191016 |