| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1060.0 | USD | 20200522 |
| Unknown | China national standards | MT | 740.0 | USD | 20200518 |
| Unknown | China national standards | MT | 110.0 | USD | 20200515 |
| Unknown | China national standards | MT | 1060.0 | USD | 20200514 |
| Unknown | China national standards | MT | 150.0 | USD | 20200513 |
| Unknown | China national standards | MT | 740.0 | USD | 20200501 |
| Unknown | China national standards | MT | 110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 150.0 | USD | 20200501 |
| Unknown | China national standards | MT | 200.0 | USD | 20200423 |
| Unknown | China national standards | MT | 90.0 | USD | 20200418 |