| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 750.0 | USD | 20200516 |
| Unknown | China national standards | MT | 4220.0 | USD | 20200515 |
| Unknown | China national standards | MT | 4090.0 | USD | 20200514 |
| Unknown | China national standards | MT | 720.0 | USD | 20200514 |
| Unknown | China national standards | MT | 750.0 | USD | 20200513 |
| Unknown | China national standards | MT | 600.0 | USD | 20200512 |
| Unknown | China national standards | MT | 4230.0 | USD | 20200510 |
| Unknown | China national standards | MT | 4110.0 | USD | 20200501 |
| Unknown | China national standards | MT | 4160.0 | USD | 20200501 |
| Unknown | China national standards | MT | 600.0 | USD | 20200501 |