| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 350.0 | USD | 20210219 |
| Unknown | China national standards | MT | 280.0 | USD | 20210217 |
| Unknown | China national standards | MT | 1740.0 | USD | 20210216 |
| Unknown | China national standards | MT | 1780.0 | USD | 20210216 |
| Unknown | China national standards | MT | 340.0 | USD | 20210214 |
| Unknown | China national standards | MT | 3060.0 | USD | 20210213 |
| Unknown | China national standards | MT | 1770.0 | USD | 20210213 |
| Unknown | China national standards | MT | 470.0 | USD | 20210212 |
| Unknown | China national standards | MT | 2250.0 | USD | 20210211 |
| Unknown | China national standards | MT | 2250.0 | USD | 20210210 |