| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 720.0 | USD | 20201115 |
| Unknown | China national standards | MT | 110.0 | USD | 20201115 |
| Unknown | China national standards | MT | 90.0 | USD | 20201114 |
| Unknown | China national standards | MT | 580.0 | USD | 20201112 |
| Unknown | China national standards | MT | 580.0 | USD | 20201111 |
| Unknown | China national standards | MT | 580.0 | USD | 20201110 |
| Unknown | China national standards | MT | 100.0 | USD | 20201101 |
| Unknown | China national standards | MT | 80.0 | USD | 20201101 |
| Unknown | China national standards | MT | 570.0 | USD | 20201101 |
| Unknown | China national standards | MT | 560.0 | USD | 20201101 |