| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3610.0 | USD | 20201201 |
| Unknown | China national standards | MT | 3560.0 | USD | 20201201 |
| Unknown | China national standards | MT | 24790.0 | USD | 20201123 |
| Unknown | China national standards | MT | 3710.0 | USD | 20201121 |
| Unknown | China national standards | MT | 3710.0 | USD | 20201117 |
| Unknown | China national standards | MT | 3170.0 | USD | 20201115 |
| Unknown | China national standards | MT | 21250.0 | USD | 20201111 |
| Unknown | China national standards | MT | 20880.0 | USD | 20201101 |
| Unknown | China national standards | MT | 24230.0 | USD | 20201101 |
| Unknown | China national standards | MT | 3130.0 | USD | 20201101 |