| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20210117 |
| Unknown | China national standards | MT | 150.0 | USD | 20210116 |
| Unknown | China national standards | MT | 130.0 | USD | 20210116 |
| Unknown | China national standards | MT | 160.0 | USD | 20210116 |
| Unknown | China national standards | MT | 840.0 | USD | 20210116 |
| Unknown | China national standards | MT | 120.0 | USD | 20210115 |
| Unknown | China national standards | MT | 140.0 | USD | 20210114 |
| Unknown | China national standards | MT | 810.0 | USD | 20210112 |
| Unknown | China national standards | MT | 970.0 | USD | 20210112 |
| Unknown | China national standards | MT | 810.0 | USD | 20210111 |