| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 80.0 | USD | 20200516 |
| Unknown | China national standards | MT | 530.0 | USD | 20200515 |
| Unknown | China national standards | MT | 200.0 | USD | 20200513 |
| Unknown | China national standards | MT | 130.0 | USD | 20200512 |
| Unknown | China national standards | MT | 20.0 | USD | 20200511 |
| Unknown | China national standards | MT | 200.0 | USD | 20200501 |
| Unknown | China national standards | MT | 130.0 | USD | 20200501 |
| Unknown | China national standards | MT | 1400.0 | USD | 20200501 |
| Unknown | China national standards | MT | 950.0 | USD | 20200501 |
| Unknown | China national standards | MT | 480.0 | USD | 20200501 |