| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3590.0 | USD | 20201121 |
| Unknown | China national standards | MT | 2120.0 | USD | 20201119 |
| Unknown | China national standards | MT | 1790.0 | USD | 20201118 |
| Unknown | China national standards | MT | 550.0 | USD | 20201117 |
| Unknown | China national standards | MT | 490.0 | USD | 20201116 |
| Unknown | China national standards | MT | 3630.0 | USD | 20201116 |
| Unknown | China national standards | MT | 3570.0 | USD | 20201113 |
| Unknown | China national standards | MT | 3230.0 | USD | 20201113 |
| Unknown | China national standards | MT | 3630.0 | USD | 20201113 |
| Unknown | China national standards | MT | 3640.0 | USD | 20201111 |