| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20201223 |
| Unknown | China national standards | MT | 110.0 | USD | 20201223 |
| Unknown | China national standards | MT | 820.0 | USD | 20201222 |
| Unknown | China national standards | MT | 890.0 | USD | 20201222 |
| Unknown | China national standards | MT | 300.0 | USD | 20201220 |
| Unknown | China national standards | MT | 120.0 | USD | 20201220 |
| Unknown | China national standards | MT | 130.0 | USD | 20201219 |
| Unknown | China national standards | MT | 730.0 | USD | 20201216 |
| Unknown | China national standards | MT | 770.0 | USD | 20201215 |
| Unknown | China national standards | MT | 1980.0 | USD | 20201214 |