| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2350.0 | USD | 20201215 |
| Unknown | China national standards | MT | 15450.0 | USD | 20201214 |
| Unknown | China national standards | MT | 15440.0 | USD | 20201213 |
| Unknown | China national standards | MT | 2350.0 | USD | 20201212 |
| Unknown | China national standards | MT | USD | 20201118 | |
| Unknown | China national standards | MT | USD | 20201115 | |
| Unknown | China national standards | MT | USD | 20201113 | |
| Unknown | China national standards | MT | USD | 20201101 | |
| Unknown | China national standards | MT | USD | 20200919 | |
| Unknown | China national standards | MT | USD | 20200916 |