| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20201201 |
| Unknown | China national standards | MT | 180.0 | USD | 20201123 |
| Unknown | China national standards | MT | 180.0 | USD | 20201122 |
| Unknown | China national standards | MT | 1270.0 | USD | 20201121 |
| Unknown | China national standards | MT | 170.0 | USD | 20201121 |
| Unknown | China national standards | MT | 1320.0 | USD | 20201120 |
| Unknown | China national standards | MT | 1190.0 | USD | 20201119 |
| Unknown | China national standards | MT | 1190.0 | USD | 20201118 |
| Unknown | China national standards | MT | 1160.0 | USD | 20201117 |
| Unknown | China national standards | MT | 190.0 | USD | 20201117 |